CPC Main Group
C07D 227/00 Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00
2 direct subcodes
Child Classifications
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- C07D 227/02 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D 227/12 with hetero atoms directly attached to the ring nitrogen atom