| 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} |
| 277 | DF | .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11} |
| 315 | DF | .~.~.~ Piperidines {2} |
| 317 |  | .~.~.~.~ Additional ring containing {7} |
| 318 | DF | .~.~.~.~.~> The additional ring is a six-membered hetero ring consisting of one nitrogen and five carbon atoms |
| 319 | DF | .~.~.~.~.~> The additional ring is one of the cyclos in a polycyclo ring system {2} |
| 326 | DF | .~.~.~.~.~> The additional ring is a hetero ring |
| 327 | DF | .~.~.~.~.~> Chalcogen bonded directly to ring carbon of the piperidine ring {1} |
| 329 | DF | .~.~.~.~.~> Nitrogen attached directly to the piperidine ring by nonionic bonding |
| 330 | DF | .~.~.~.~.~> C=X bonded directly to the piperidine ring (X is chalcogen) |
| 331 | DF | .~.~.~.~.~> Nitrogen attached indirectly to the piperidine ring by nonionic bonding |