| 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} |
| 253 | DF | .~.~.~ Oximes (HCH=N-OH, i.e., wherein substitution may be made for hydrogen only) {12} |
| 265 | | .~.~.~.~ Benzene ring containing {1} |
| 266 | DF | .~.~.~.~.~> The oxime carbon is acyclic and has two rings bonded directly thereto |