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PCE
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IPC Subgroup
C07D 227/12

with hetero atoms directly attached to the ring nitrogen atom

Introduced: July 1974

Last revised: January 2006

Full Title

Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups > with hetero atoms directly attached to the ring nitrogen atom

Classification Context

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