IPC Subgroup
C07D 207/44 having three double bonds between ring members or between ring members and non-ring members
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom > with only hydrogen or carbon atoms directly attached to the ring nitrogen atom > having three double bonds between ring members or between ring members and non-ring members
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
1 direct subcode
Child Classifications
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- C07D 207/444 having two doubly-bound oxygen atoms directly attached in positions 2 and 5