| 564 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 1 | DF | .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37} |
| 305 | DF | .~.~ Benzene ring containing {24} |
| 336 | DF | .~.~.~ Amino nitrogen attached to aryl ring or ring system by an acyclic carbon or chain {11} |
| 337 | DF | .~.~.~.~ The aryl ring or ring system is bonded directly to another ring {1} |
| 338 |  | .~.~.~.~.~ The other ring is alicyclic {1} |
| 339 | DF | .~.~.~.~.~.~> Double bonded oxygen, ether or hydroxy, bonded directly to carbon, is attached directly or indirectly to the alicyclic ring by acyclic nonionic bonding (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) |