with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms

Introduced: July 1974

Full Title

Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member > with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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C07D 233/08 with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms since 1974 IPC+CPC Available in IPC and CPC