DIFF Subgroup
C07D 213/02 having three double bonds between ring members or between ring members and non-ring members
Introduced: July 1974
Full Title
Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members > having three double bonds between ring members or between ring members and non-ring members
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- C07D 213/04 having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom since 1974 IPC+CPC Available in IPC and CPC
- C07D 213/89 with hetero atoms directly attached to the ring nitrogen atom since 1974 IPC+CPC Available in IPC and CPC