| 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} |
| 415 | DF | .~.~.~ Forming amine group directly by reduction {1} |
| 416 |  | .~.~.~.~ Of nitro or nitroso {4} |
| 417 | DF | .~.~.~.~.~> Preparing compound which contains halogen bonded directly to carbon |
| 418 | DF | .~.~.~.~.~> Preparing compound which contains hydroxy, bonded directly to carbon, or ether |
| 419 | DF | .~.~.~.~.~> With initial nitration step |
| 420 | DF | .~.~.~.~.~> By direct hydrogenation {2} |