| 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} |
| 463 | DF | .~.~ Acyclic {16} |
| 469 | DF | .~.~.~ Preparing directly by amination {6} |
| 478 | | .~.~.~.~ Of hydroxy containing compound {1} |
| 479 | DF | .~.~.~.~.~> Catalyst utilized {1} |