| 564 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
|
| * | 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} |
| 374 | DF | .~.~.~.~ The chain consists of two or more carbons which are unsubstituted or have acyclic hydrocarbyl substituents only {7} |
| 377 |  | .~.~.~.~.~ Preparing directly by hydrolysis |