| 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} |
| 581 | DF | .~.~.~ Thiocarbazides or thiosemicarbazides (i.e., N-N-C(=S)-N containing) {1} |
| 582 | DF | .~.~.~.~ Thiocarbazones or thiosemicarbazones (i.e., C=N-N-C(=S)-N containing) {1} |
| 583 | | .~.~.~.~.~ Benzene ring containing |