PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

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Class Number: 544
 Class Title: ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

Subclass  Subclass
Number    Title

  *       ORGANIC COMPOUNDS (Class 532, subclass 1)
         .HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING
            CHALCOGEN (i.e., O, S, Se, or Te) OR NITROGEN AS THE ONLY RING
            HETERO ATOMS (Class 260, Subclass 239R)
  1       ..Hetero ring is six-membered having two or more ring hetero
             atoms of which at least one is nitrogen (e.g., selenazines,
             etc.)
  2       ...Six-membered hetero ring consists of oxygen, sulfur, nitrogen
              and carbon (e.g., oxathiazines, etc.)
  3       ...Six-membered hetero ring consists of sulfur, nitrogen and
              carbon (e.g., 1,2 thiazines, etc.)
  4       ....Heavy metal or aluminum containing
  5       ....Plural sulfurs in the six-membered hetero ring (e.g.,
               dithiazines, etc.)
  6       ....Spiro
  7       ....Plural nitrogens in the six-membered hetero ring (e.g.,
               thiatriazines, etc.)
  8       .....Thiadiazines
  9       ......Polycyclo ring system having the thiadiazine ring as one
                 of the cyclos
  10      .......Bicyclo ring system having the thiadiazine ring as one of
                  the cyclos
  11      ........Benzothiadiazines
  12      .........1,2,4-benzothiadiazines
  13      ..........Sulfamyl or substituted sulfamyl containing
  14      ....Polycyclo ring system having the six-membered hetero ring as
               one of the cyclos
  31      .....Phenothiazine as three cyclos of polycyclo ring system
                having at least four cyclos
  32      .....Tricyclo ring system having the six-membered hetero ring as
                one of the cyclos
  33      ......1, 2- or 2, 1-Thiazine ring in the tricyclo ring system
                 (e.g., hydrogenated 1, 2-benzothiazine in tricyclo ring
                 system, etc.)
  34      ......Plural ring nitrogens in the tricyclo ring system
  35      ......Phenothiazines (including hydrogenated)
  36      .......Purification or recovery
  37      .......Nitrogen bonded directly to phenothiazine ring system
  38      .......Carbon bonded directly to ring nitrogen of phenothiazine
                  ring system
  39      ........Divalent chalcogen double bonded directly to the carbon
  40      .........Additional chalcogen bonded directly to the carbon
  41      ........Nitrogen containing substituent bonded to nitrogen of
                   phenothiazine ring system
  42      .........Nitrogen containing hetero ring in the nitrogen
                    containing substituent (e.g., oxazole, etc.)
  43      ..........Plural hetero rings in the nitrogen containing
                     substituent
  44      ..........Piperazine ring in the nitrogen containing
                     substituent
  45      ...........Chalcogen in the nitrogen containing substituent
  46      ..........Chalcogen in the nitrogen containing substituentt
  47      .....Bicyclo ring system having the six-membered hetero ring as
                one of the cyclos
  48      ......Three or more ring hetero atoms in the bicyclo ring
                 system
  49      ......Benzothiazines (including hydrogenated)
  50      .......1,3- or 3,1- benzothiazines
  51      .......1,4-benzothiazines
  52      ........Double bonded divalent chalcogen containing
  53      ....1,3-thiazines
  54      .....Double bonded divalent chalcogen containing
  55      .....Additional hetero ring containing
  56      ....1,4-thiazines
  57      .....Phosphorus containing
  58.1    .....Double bonded divalent chalcogen containing
  58.2    ......Divalent chalcogen double bonded directly to the
                 thiazine ring
  58.4    ......Having -C(=X)-, wherein X is chalcogen, bonded
                 directly to the thiazine ring
  58.5    ......Additional hetero ring containing
  58.6    .......Ring nitrogen in the additional hetero ring, which
                  is six-membered
  58.7    .......Ring chalcogen in the additional hetero ring
  59      .....Thiomorpholines (i.e., fully hydrogenated 1,4-thiazines)
  60      ......Additional hetero ring containing
  61      .......The additional hetero ring is one of the cyclos in a
                  bicyclo ring system
  62      ........Benzo is the other cyclo
  63      ...Six-membered hetero ring consists of oxygen, nitrogen and
              carbon (e.g., 1,2-oxazines, etc)
  64      ....Heavy metal or aluminum containing
  65      ....Plural oxygens in the six-membered hetero ring
  66      ....Plural nitrogens in the six-membered hetero ring
  67      .....1,3,5-oxadiazines
  68      .....Oxygen bonded directly to the six-membered hetero ring
  69      ....Boron or silicon containing
  70      ....Spiro
  71      .....Spiro oxazine
  72      ....Plural oxazine rings
  73      .....Polycyclo ring system having oxazine ring as at least one
                of the cyclos
  74      ......Plural 1,4-oxazine rings are cyclos in the polycyclo ring
                 system
  75      .......Pentacyclo ring system having the oxazine rings as
                  cyclos
  76      ........Plural nitrogens bonded directly to the pentacyclo ring
                   system
  77      .........Acyclic nitrogen is bonded directly to a -C(=X)- group,
                    wherein X is chalcogen
  78      .....Plural morpholine rings (i.e., plural fully hydrogenated 1,
                4-oxazine rings)
  79      ......Polycyclo ring system
  80      .......Ring nitrogen in the polycyclo ring system
  81      ........Four or more ring nitrogens in the polycyclo ring
                   system
  82      ......Additional nitrogen containing hetero ring (e.g.,
                 thiazole, etc.)
  83      .......Triazine
  84      ......Phosphorus attached directly or indirectly to a morpholinee
                 ring by nonionic bonding
  85      ......Sulfur attached directly or indirectly to a morpholine
                 ring by nonionic bonding
  86      ......Nitrogen attached directly or indirectly to a morpholine
                 ring by nonionic bonding
  87      ......Oxygen attached directly or indirectly to a morpholine
                 ring by nonionic bonding
  88      ....1, 3-Oxazines
  89      .....Polycyclo ring system having the oxazine ring as one of the
                cyclos
  90      ......Bicyclo ring system having the oxazine ring as one of the
                 cyclos
  91      .......Three or more ring hetero atoms in the bicyclo ring
                  system
  92      .......Chalcogen bonded directly to the oxazine ring
  93      ........Plural oxygens bonded directly to the oxazine ring
  94      .........3, 1-Benzoxazine-2, 4-diones (including hydrogenated)
  95      ......Three or more ring hetero atoms in the polycyclo ring
                 system
  96      .....Additional hetero ring containing
  97      .....Chalcogen bonded directly to the oxazine ring
  98      ....1, 4-Oxazines
  99      .....Polycyclo ring system having the oxazine ring as one of the
                cyclos
  100     ......Anthrone or anthraquinone in the polycyclo ring system
  101     ......Tricyclo ring system having the oxazine ring as one of the
                 cyclos
  102     .......Phenoxazines (including hydrogenated)
  103     ........Plural nitrogens bonded directly to the phenoxazine
  104     ........Sulfur containing
  105     ......Bicyclo ring system having the oxazine ring as one of the
                 cyclos (e.g., benzoxazines, etc.)
  106     .....Morpholines (i.e., fully hydrogenated 1, 4-oxazines)
  107     ......Addition salts of morpholine which is unsubstituted or
                 hydrocarbyl substituted only
  108     .......N, N-dihydrocarbyl morpholinium
  109     .......Hetero ring in ionically bonded moiety
  110     .......Phosphorus or sulfur in ionically bonded moiety
  111     ......Additional nitrogen containing hetero ring (e.g.,
                 thiazetidine, etc.)
  112     .......Triazine ring
  113     ........1, 3, 5-Triazine ring
  114     .......Diazine ring
  115     ........The diazine ring is one of the cyclos in a polycyclo
                   ring system
  116     .........The diazine ring is one of the cyclos in a bicyclo ring
                    system
  117     ..........Three or more ring hetero atoms in the bicyclo ring
                     system
  118     ...........Four or more ring nitrogens in the bicyclo ring
                      system
  119     ..........Acyclic nitrogen containing
  120     ........1, 4-Diazine ring
  121     .........Piperazine ring
  122     ........1, 3-Diazine ring
  123     .........Oxygen bonded directly to the diazine ring
  124     .......Six-membered ring consisting of one nitrogen and five
                  carbons (e.g., pyridine, etc.))
  125     ........The additional six-membered hetero ring is one of the
                   cyclos in a polycyclo ring system
  126     .........The additional six-membered hetero ring is one of the
                    cyclos in a tricyclo ring system
  127     .........The additional six-membered hetero ring is one of the
                    cyclos in a bicyclo ring system
  128     ..........Quinoline or isoquinoline (including hydrogenated)
  129     ........Piperidine ring
  130     .........Double bonded divalent chalcogen containing
  131     ........Double bonded divalent chalcogen containing
  132     .......Five-membered hetero ring having two or more ring hetero
                  atoms of which at least one is nitrogen
  133     ........The five-membered hetero ring has at least sulfur and
                   nitrogen as ring hetero atoms
  134     .........Plural sulfurs or nitrogens in the five-membered hetero
                    ring (e.g., thiatriazole, etc.)
  135     .........Benzothiazoles (including hydrogenated)
  136     ..........Polysulfide containing chain between morpholine ring
                     and benzothiazole ring system
  137     ........The five-membered hetero ring has at least oxygen and
                   nitrogen as ring hetero atoms
  138     .........Oxadiazole ring (including hydrogenated)
  139     ........1, 3-Diazole ring (including hydrogenated)
  140     ........1, 2-Diazole ring (including hydrogenated)
  141     .......Five-membered hetero ring consisting of one nitrogen and
                  four carbons
  142     ........The five-membered hetero ring is one of the cyclos in a
                   polycyclo ring system
  143     .........The five-membered hetero ring is one of the cyclos in a
                    bicyclo ring system
  144     ..........Chalcogen bonded directly to the bicyclo ring system
  145     ......Sulfur containing hetero ring (e.g., thioxane, etc.)
  146     .......Thiophene ring (including hydrogenated)
  147     ......Additional oxygen containing hetero ring
  148     .......Plural ring hetero atoms in the additional hetero ring
  149     .......The additional hetero ring is six-membered
  150     ........The additional six-membered hetero ring is one of the
                   cyclos in a polycyclo ring system
  151     .........The additional six-membered hetero ring is one of the
                    cyclos in a bicyclo ring system
  152     .......The additional hetero ring is five-membered
  153     ........The five-membered hetero ring is one of the cyclos in a
                   polycyclo ring system
  154     ......Polycyclo-carbocyclic ring system having at least three
                 cyclos
  155     .......Tricyclo having three six-membered carbocyclic rings
  156     ........Anthrone or anthraquinone
  157     ......Phosphorus attached directly or indirectly to morpholine
                 ring by nonionic bonding
  158     ......Sulfur attached directly or indirectly to morpholine ring
                 by nonionic bonding
  159     .......Nitrogen attached directly or indirectly to morpholine
                  ring by nonionic bonding
  160     ........Double bonded divalent sulfur
  161     .......Double bonded divalent sulfur
  162     ......Nitrogen attached directed or indirectly to morpholine
                 ring by nonionic bonding
  163     .......Cyano containingg
  164     .......Morpholine ring bonded directly to the nitrogen
  165     .......Carbocyclic ring bonded directly to the nitrogen
  166     ........Morpholine ring bonded directly to the carbocyclic ring
  167     ........Nitro bonded directly to the carbocyclic ring
  168     .......Oxygen double bonded and acyclic nitrogen bonded directly
                  to the same carbon
  169     ........A ring bonded directly to the carbon
  170     ......Oxygen attched directly or indirectly to morpholine ring
                 by nonionic bonding
  171     .......The oxygen is in a -COO- group
  172     ........Carbonyl of -COO- group bonded directly to a ring
  173     .......The oxygen is bonded directly to a ring
  174     ........Ether containing
  175     .......The oxygen is in a carbonyl group
  176     ........The carbonyl is bonded directly to nitrogen of
                   morpholine ring
  177     .......Ether containing
  178     ......N-hydrocarbyl morpholines
  179     ...Tetrazines
  180     ...Triazines
  181     ....Heavy metal or aluminum containing
  182     ....Asymmetrical (e.g., 1, 2, 4-triazines, etc.)
  183     .....Polycyclo ring system having the asymmetrical triazine ring
                as one of the cyclos
  184     ......Four or more ring hetero atoms in the polycyclo ring
                 system
  185     ....Hexamethylenetetramines
  186     .....Processes
  187     ....Anthrone or anthraquinone containing
  188     .....Polycyclo ring system having the anthrone or anthraquinone
                and at least one hetero ring as cyclos
  189     .....Sulfur containing
  190     ....Cyanuric chloride or dichloroisocyanuric acid salt
  191     .....Processes utilizing cyanogen chloride reactant
  192     ....Cyanuric acid per se or salt thereof
  193     ....Trimerization process to form the triazine ring
  193.1   ....Stilbene containing
  193.2   .....Plural triazine rings containing
  194     ....Substituent nitrogen bonded directly to carbon of the
               triazine ring
  195     .....Phosphorus containing
  196     .....Three substituent nitrogens bonded directly to the three
                carbons of the triazine ring
  197     ......Additional ring containing
  198     .......Hetero ring
  199     ......Halogen or sulfur containing
  200     ......Melamine per se, or salt thereof
  201     .......Processes utilizing urea or biuret reactant
  202     .......Processes utilizing cyanamide or dicyanamide reactant
  203     .......Purification or recovery
  204     .....Two substituent nitrogens bonded directly to two carbons of
                the triazine ring
  205     ......Guanamines
  206     .......Additional ring containing
  207     ........Hetero ring
  208     ......Additional ring containing
  209     .......Hetero ring
  210     ......Sulfur containingg
  211     .....Additional ring containing
  212     ......Hetero ring
  213     .....Sulfur containing
  214     ....Phosphorus containing
  215     ....Chalcogen or halogen containing substituent
  216     .....Bonded to triazine ring carbon
  217     ......Halogen bonded directly to triazine ring carbon
  218     .......Chalcogen bonded directly to triazine ring carbon
  219     ......Chalcogen bonded directly to triazine ring carbon
  220     .......Divalent chalcogen double bonded directly to triazine
                  ring carbon
  221     ........To three ring carbons
  222     .........Nitrogen containing substituent
  223     ........To two ring carbons
  224     ...The six-membered hetero ring consists of two nitrogens and
              four carbons (e.g., 1,2-diazines, etc.)
  225     ....Heavy metal or aluminum containing
  226     .....Arsenic or zinc containing
  227     .....Mercury containing
  228     ......Purine containing (including hydrogenated)
  229     ....Boron or silicon containing
  230     ....Spiro
  231     .....Spiro diazine
  232     ....Phosphorus attached directly or indirectly to a 1, 2-diazine
               ring by nonionic bonding
  233     ....Polycyclo ring system having a 1,2-diazine ring as one of
               the cyclos
  234     .....Tricyclo ring system having the 1,2-diazine ring as one of
                the cyclos
  235     .....Bicyclo ring system having the 1,2-diazine ring as one of
                the cyclos
  236     ......At least three ring nitrogens in the bicyclo ring system
  237     ......Phthalazines (including hydrogenated)
  238     ....1,2-diazines which contain an additional hetero ring
  239     ....Chalcogen bonded directly to ring carbon of a 1,2-diazine
               ring
  240     .....Plural chalcogens bonded directly
  241     .....Halogen attached directly to the 1,2-diazine ring by
                nonionic bonding
  242     ....1,3-diazines
  243     .....Phosphorus attached directly or indirectly to the diazine
                ring by nonionic bonding
  244     ......Polycyclo ring system having the diazine ring as one of
                 the cyclos
  245     .....Polycyclo ring system having the diazine ring as one of the
                cyclos
  246     ......Tetracyclo ring system having the diazine ring as one of
                 the cyclos
  247     .......Three or more ring hetero atoms in the tetracyclo ring
                  system
  248     .......Ring carbon is shared by three of the cyclos (e.g.,
                  anthrapyrimidine, etc.)
  249     ......Tricyclo ring system having the diazine ring as one of the
                 cyclos
  250     .......Three or more ring hetero atoms in the tricyclo ring
                  system
  251     ........Four or more ring nitrogens in the tricyclo ring system
  252     .......Ring nitrogen is shared by two of the cycloss
  253     ......Bicyclo ring system having the diazine ring as one of the
                 cyclos
  254     .......At least five ring hetero atoms in the bicyclo ring
                  system
  255     .......Four ring hetero atoms in the bicyclo ring system
  256     ........Four ring nitrogens in the bicyclo ring system
  257     .........Pteridines (including hydrogenated)
  258     ..........Nitrogen bonded directly to the pteridine ring system
  259     ...........Plural nitrogens bonded directly to the pteridine
                      ring system
  260     ............At 2- and 4-positions
  261     ...........Pteroyl per se or having -C(=X)-, wherein X is
                      chalcogen, bonded directly to acyclic nitrogen of
                      otherwise unsubstituted pteroyl
  262     .........The other cyclo in the bicyclo ring system is
                    five-membered
  263     ..........Ring nitrogen is shared by two cyclos
  264     ..........Purines (including hydrogenated)
  265     ...........Chalcogen bonded directly to ring carbon of the
                      purine ring system
  266     ............At 2-, 6-, and 8- positions
  267     ............At 2- and 6-positions (e.g., theophyllines, etc.)
  268     .............Additional polycyclo ring system, which is not
                      **another purine, having a hetero ring as one of the
                      **cyclos
  269     .............Additional hetero ring which is unsaturated and is
                      **not one of the cyclos of a purine ring system
  270     ..............Plural ring nitrogens in the additional hetero
                      ***ring
  271     .............Having -C(=X)-, wherein X is chalcogen attached
                      **directly or indirectly to the purine ring system by
                      **nonionic bonding or halogen bonded directly at 8
                      **positions (e.g., theophylline acetate,
                      **8-chlorotheophylline, etc.)
  272     .............Nitrogen attached directly or indirectly to the
                      **purine ring system by nonionc bonding
  273     .............Positions other than 2- and 6- are unsubstituted or
                      **hydrocarbyl substituted only (e.g., theophylline,
                      **etc.)
  274     ..............Recovery of caffeine per se, theobromine per se,
                      ***or salt thereof, from natural or waste material
  275     ..............Caffeine per se, theobromine per se, or salt
                      ***thereof
  276     ............Nitrogen attached directly or indirectly to the
                      *purine ring system by nonionic bonding
  277     ...........Nitrogen attached directly or indirectly to the
                      purine ring system by nonionic bonding
  278     .......Three ring hetero atoms in the bicyclo ring system
  279     ........Three ring nitrogens in the bicyclo ring system
  280     .........The other cyclo in the bicyclo ring system is
                    five-membered
  281     ..........Ring nitrogen is shared by the two cyclos
  282     .......Ring nitrogen is shared by two cyclos
  283     .......The other cyclo in the bicyclo ring system is a benzene
                  ring (e.g., quinazoline, etc.)
  284     ........Additional nitrogen containing unsaturated hetero ring
                   (e.g., thiazole, etc.)
  285     ........Chalcogen bonded directly at 2- and 4-positionss
  286     ........Chalcogen bonded directly at 2-position
  287     ........Chalcogen bonded directly at 4-position
  288     .........Sulfur bonded directly at 6-position
  289     .........Carbocyclic ring bonded directly at 2-position
  290     .........Carbocyclic ring bonded directly at 3-position
  291     ........Nitrogen bonded directly at 2- and 4-positions
  292     ........Nitrogen bonded directly at 2-position
  293     ........Nitrogen bonded directly at 4-position
  294     .....Polycyclo-carbocyclic ring system having at least three
                cyclos
  295     .....Plural diazine rings
  296     ......Plural 1,3-diazine rings
  297     .....Nitrogen attached directly at 2-position by nonionic
                bonding and sulfur bonded directly to the nitrogen
  298     .....Chalcogen bonded directly to diazine ring carbon
  299     ......At 2-, 4-, and 6-positions (e.g., barbituric acid, etc.)
  300     .......Additional hetero ring which is unsaturated
  301     .......Nitrogen attached directly or indirectly to the diazine
                  ring by nonionic bonding
  302     .......Additional chalcogen attached directly or indirectly to
                  the diazine ring by nonionic bonding
  303     .......Halogen attached directly or indirectly to the diazine
                  ring by nonionic bonding
  304     .......Alicyclic ring attached directly or indirectly to the
                  diazine ring by nonionic bonding
  305     .......Phenyl bonded directly at 5-position
  306     .......Acyclic ethylenic or acetylenic unsaturation containing
  307     .......Plural alkyl groups bonded directly at 5-position
  308     ........Plural diverse alkyl groups bonded directly at
                   5-position
  309     ......At 2-position and at 4- or 6-position
  310     .......Additional hetero ring which is unsaturated
  311     .......Nitrogen attached directly or indirectly to the diazine
                  ring by nonionic bonding
  312     ........5-position is unsubstituted or alkyl substituted only
  313     .......Halogen attached directly to the diazine ring by nonionic
                  bonding
  314     .......Additional chalcogen attached directly or indirectly to
                  the diazine ring by nonionic bonding
  315     ......At 2-position
  316     .......Nitrogen attached directly or indirectly to the diazine
                  ring by nonionic bonding
  317     ........The nitrogen is bonded directly at 4- or 6-position
  318     .......Additional chalcogen attached directly or indirectly to
                  the diazine ring by nonionic bonding
  319     ......At 4- or 6-position
  320     .......Nitrogen attached directly at 2-position by nonionic
                  bonding
  321     ........Carbocyclic ring containing
  322     .....Nitrogen attached directly to diazine ring by nonionic
                bonding
  323     ......At 2-position and at 4- or 6-position
  324     .......Additional hetero ring which is unsaturated
  325     .......Substituent on 5-position contains carbocyclic ring
  326     ......At 4- or 6-position
  327     .......Sulfur attached indirectly to the diazine ring by
                  nonionic bonding (e.g., thiamines, etc.)
  328     .......Additional hetero ring which is unsaturatedd
  329     .......Carbonyl attached directly or indirectly to the diazine
                  ring by nonionic bonding
  330     ......At 2-position
  331     .......Additional hetero ring which is unsaturated
  332     .......Chalcogen attached indirectly to the diazine ring by
                  nonionic bonding
  333     .....Additional hetero ring which is unsaturated
  334     .....Halogen attached directly to the diazine ring by nonionic
                bonding
  335     .....Chalcogen attached indirectly to the diazine ring by
                nonionic bonding
  336     ....1,4-diazines
  337     .....Phosphorus attached directly or indirectly to the diazine
                ring by nonionic bonding
  338     .....Polycyclo ring system having the diazine ring as one of the
                cyclos
  339     ......Heptacyclo ring system having the diazine ring as one of
                 the cyclos (e.g., indanthrones, etc.)
  340     .......Chalcogen attached indirectly to the heptacyclo ring
                  system by nonionic bonding
  341     .......Halogen, nitrogen, or carbon attached directly to the
                  heptacyclo ring system by nonionic bonding
  342     ......Pentacyclo ring system having the diazine ring as one of
                 the cyclos
  343     ......Tetracyclo ring system having the diazine ring as one of
                 the cyclos (e.g., benzophenazines, etc.)
  344     ......Tricyclo ring system having the diazine ring as one of the
                 cyclos
  345     .......Three or more ring hetero atoms in the tricyclo ring
                  system
  346     ........Ring nitrogen is shared by two of the cyclos (e.g.,
                   ergot, alkaloids, etc.)
  347     .......Phenazines (including hydrogenated)
  348     ........Nitrogen attached directly to the phenazine ring system
                   by nonionic bonding
  349     ......Bicyclo ring system having the diazine ring as one of the
                 cyclos
  350     .......Three or more ring hetero atoms in the bicyclo ring
                  system
  351     .......Triethylene diamines
  352     ........Process of forming, purifying, or recovering triethylene
                   diamine per se, or salt thereof
  353     .......Quinoxalines (including hydrogenated)
  354     ........Chalcogen bonded directly to diazine ring carbon
  355     ........Having -C(=X)-, wherein X is chalcogen, bonded directly
                   to diazine ring carbon
  356     ........Halogen or nitrogen attached directly to diazine ring
                   carbon by nonionic bonding
  357     .....Plural diazine rings
  358     .....Piperazines (i.e., fully hydrogenated 1,4-diazines)
  359     ......Additional hetero ring containing
  360     .......Six-membered ring consisting of one nitrogen and five
                  carbons (e.g., pyridine, etc.)
  361     ........The additional six-membered hetero ring is one of the
                   cyclos in a polycyclo ring system
  362     .........The additional six-membered hetero ring is one of the
                    cyclos in a bicyclo ring system
  363     ..........Quinoline or isoquinoline (including hydrogenated))
  364     ........At least three hetero rings containing
  365     ........Having -C(=X)-, wherein X is chalcogen, bonded directly
                   to ring carbon of the additional six-membered hetero
                   ring (e.g., nicotinic acid, etc.)
  366     .......Five-membered hetero ring having two or more ring hetero
                  atoms of which at least one is nitrogen
  367     ........Ring chalcogen in the five-membered hetero ring
  368     .........The five-membered hetero ring is one of the cyclos in a
                    polycyclo ring system
  369     .........1,3-oxazole ring or 1,3-thiazole ring (including
                    hydrogenated)
  370     ........1,3-diazole ring (including hydrogenated)
  371     ........1,2-diazole ring (including hydrogenated)
  372     .......Five-membered hetero ring consisting of one nitrogen and
                  four carbons
  373     ........The five-membered hetero ring is one of the cyclos in a
                   bicyclo ring system
  374     .......Ring chalcogen in the additional hetero ring
  375     ........Polycyclo ring system having the additional hetero ring
                   as one of the cyclos
  376     .........Bicyclo ring system having the additional hetero ring
                    as one of the cyclos
  377     ..........Plural ring chalcogens in the bicyclo ring system
  378     .........Plural ring chalcogens in the polycyclo ring system or
                    the piperazine ring bonded directly to the polycyclo
                    ring system
  379     ........The additional hetero ring is five-membered and
                   unsaturated (e.g., thienyl piperazines, etc.)
  380     ......Polycyclo-carbocyclic ring system having at least three
                 cyclos
  381     .......Piperazine ring bonded directly to the
                  polycyclo-carbocyclic ring system
  382     ......Nitrogen attached directly to the piperazine ring by
                 nonionic bonding
  383     ......Chalcogen attached directly to piperazine ring nitrogen by
                 nonionic bonding
  384     ......Chalcogen bonded directly to piperazine ring carbon
  385     .......Plural chalcogens bonded directly to piperazine ring
                  carbons
  386     ......Having -C(=X)-, wherein X is chalcogen, bonded directly to
                 the piperazine ring
  387     .......Plural -C(=X)- groups bonded directly to the piperazine
                  ring
  388     ........Chalcogen or acyclic nitrogen bonded directly to at
                   least one of the -C(=X) groups
  389     .......The -C(=X)- is part of a -C(=X)X- group, wherein the X's
                  are the same or diverse chalcogens
  390     .......Halogen or acyclic nitrogen bonded directly to the
                  -C(=X)- group
  391     .......Carbocyclic ring containing
  392     ......Phenyl or naphthyl bonded directly to ring nitrogen of the
                 piperazine ring
  393     .......Acyclic nitrogen bonded directly to a -C(=X)- group,
                  wherein X is chalcogen
  394     .......The other ring nitrogen has a substituent which includes
                  chalcogen single bonded to acyclic carbon
  395     .......The other ring nitrogen is unsubstituted or alkyl
                  substituted only, or salt thereoff
  396     ......Plural carbocyclic rings bonded directly to the same
                 acyclic carbon
  397     .......Chalcogen bonded directly to the carbon
  398     ......Chalcogen attached indirectly to the piperazine ring by
                 nonionic bonding
  399     .......The chalcogen, X, is in a -C(=X)- group
  400     ........Acyclic nitrogen bonded directly to the -C(=X)- group
  401     .......The chalcogen is single bonded to both acyclic carbon and
                  hydrogen
  402     ......Nitrogen attached indirectly to the piperazine ring by
                 nonionic bonding
  403     ......Carbocyclic ring containing
  404     ......N-hydrocarbyl piperazines
  405     .....Additional hetero ring which is unsaturated
  406     .....Having -C(=X)-, wherein X is chalcogen, bonded directly to
                the diazine ring
  407     ......Nitrogen attached directly to the diazine ring by nonionic
                 bonding
  408     .....Chalcogen bonded directly to diazine ring carbon
  409     .....Halogen attached directly to the diazine ring by nonionic
                bonding
  410     .....Unsubstituted or hydrocarbyl substituted only, or salt
                thereof