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} |
248 | DF | .~.~ Containing nitrogen double bonded directly to carbon {8} |
278 | DF | .~.~.~ Aldimines or ketimines which are acyclic {1} |
279 | .~.~.~.~ Carbon to carbon unsaturation containing |