with oxygen or sulfur atoms directly attached to ring carbon atoms

Full Title

Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings > not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member > with oxygen or sulfur atoms directly attached to ring carbon atoms

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

ORGANIC CHEMISTRY

Subclass:

HETEROCYCLIC COMPOUNDS