DIFF Main Group
C07D 249/00 Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
Introduced: July 1974
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 249/16 condensed with carbocyclic rings or ring systems since 1974 IPC+CPC Available in IPC and CPC