| 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} |
| 123 | DF | .~.~ Carboxamides (i.e., Q-CO-HNH, wherein Q is a substituent having carbon bonded directly to the carbonyl or is hydrogen and wherein any substituent replacing one or both hydrogens shown will be referred to as E) {14} |
| 161 | DF | .~.~.~ Substituent Q contains benzene ring {7} |
| 182 | DF | .~.~.~.~ Substituent Q is monocyclic {1} |
| 183 |  | .~.~.~.~.~ The ring is bonded directly to the carbonyl {3} |
| 184 | DF | .~.~.~.~.~.~> Benzene ring in a substituent E {1} |
| 186 | DF | .~.~.~.~.~.~> Oxygen in a substituent E |
| 187 | DF | .~.~.~.~.~.~> Acyclic carbon to carbon unsaturation in a substituent E |