DIFF Subgroup
C07D 209/02 condensed with one carbocyclic ring
Introduced: July 1974
Full Title
Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom > condensed with one carbocyclic ring
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- C07D 209/52 condensed with a ring other than six-membered since 1974 IPC+CPC Available in IPC and CPC