DIFF Subgroup
C07D 237/30 Phthalazines
Introduced: July 1974
Full Title
Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings > condensed with carbocyclic rings or ring systems > Phthalazines
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 237/32 with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring since 1974 IPC+CPC Available in IPC and CPC
- C07D 237/34 with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals since 1974 IPC+CPC Available in IPC and CPC