| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 169 | DF | .~ Cyclopentanohydrophenanthrene ring system DOAI {5} |
| 177 | DF | .~.~ Oxygen double bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system {1} |
| 178 | DF | .~.~.~ Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system {2} |
| 179 | DF | .~.~.~.~ Modified C-ring (except methyl in 13-position) (e.g., double bond containing, substituted, etc.) {1} |
| 180 | | .~.~.~.~.~ 9-position substituted |