Two oxygen atoms

Introduced: July 1974

Last revised: January 2006

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 positions 2 and 4 > Two oxygen atoms

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: ORGANIC CHEMISTRY
Subclass:: HETEROCYCLIC COMPOUNDS