| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 579 | DF | .~ Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI {22} |
| 580 | DF | .~.~ Thioureas (i.e., N-C(=S)-N {3} |
| 585 | DF | .~.~.~ Benzene ring containing {2} |
| 587 | | .~.~.~.~ Oxygen containing |