Source:http://linkedlifedata.com/resource/umls/id/C0021242
MSH: Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion, in contrast to ISOINDOLES which have the nitrogen away from the six-membered ring.,NCI: Any compound that contains the basic indole structure, an aromatic heterocyclic organic compound, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring.