DIFF Subgroup
C07D 237/32 with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring
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 > with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring
No child classifications to compare. This is a leaf node in both IPC and CPC.