| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
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| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 183 | DF | .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16} |
| 359 | DF | .~.~ Five-membered hetero ring containing at least one nitrogen ring atom (e.g., 1,2,3-triazoles, etc.) {11} |
| 365 | DF | .~.~.~ 1,3-thiazoles (including hydrogenated) {3} |
| 370 |  | .~.~.~.~ Nitrogen bonded directly to ring carbon of the thiazole ring {1} |
| 371 | DF | .~.~.~.~.~> C=X bonded directly to the nitrogen which is bonded directly to the thiazole ring (X is chalcogen) |