| 534 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
|
| * | DD | ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8} |
| 573 | DF | .~ Azo {51} |
| 838 | DF | .~.~ Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding {3} |
| 839 | DF | .~.~.~ Plural benzene rings bonded directly to the azo group {5} |
| 860 | DF | .~.~.~.~ Acyclic -C(=X)- containing, wherein X is chalcogen (e.g., carbonyl, etc.) {1} |
| 861 | DF | .~.~.~.~.~ Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) {2} |
| 862 | DF | .~.~.~.~.~.~ Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.) {2} |
| 863 | DF | .~.~.~.~.~.~.~ The -C(=X)- is bonded directly to the bicyclo ring system {6} |
| 865 | DF | .~.~.~.~.~.~.~.~ Additional acyclic -C(=X)- group {1} |
| 866 | DF | .~.~.~.~.~.~.~.~.~ Additional nitrogen bonded directly to the additional -C(=X)- group {1} |
| 867 |  | .~.~.~.~.~.~.~.~.~.~ At least three -C(=X)HNH groups, wherein substitution may be made for hydrogen only |