546 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
|
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
* | DD | .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {1} |
1 | DF | .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {24} |
184 | DF | .~.~.~ Piperidines {8} |
246 | DF | .~.~.~.~ Nitrogen attached indirectly to the piperidine ring by nonionic bonding {1} |
247 | | .~.~.~.~.~ Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen |