DIFF Subgroup
C07D 239/74 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
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 only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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