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DIFF Subgroup
C07D 239/94

Nitrogen atoms

Introduced: July 1974

Full Title

Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings > condensed with carbocyclic rings or ring systems > Quinazolines; Hydrogenated quinazolines > with hetero atoms directly attached in position 4 > Nitrogen atoms

No child classifications to compare. This is a leaf node in both IPC and CPC.