with oxygen atoms in positions 1 and 3

Full Title

Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom > Ring systems containing three or more rings > [b]- or [c]-condensed > 4,7-Endo-alkylene-iso-indoles > with oxygen atoms in positions 1 and 3

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

ORGANIC CHEMISTRY

Subclass:

HETEROCYCLIC COMPOUNDS