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DIFF Subgroup
C07D 209/74

with an oxygen atom in position 1

Introduced: July 1974

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 an oxygen atom in position 1

No child classifications to compare. This is a leaf node in both IPC and CPC.