Definition: 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.
SB 206553 [ 5-methyl-1-(3-pyridylcarbamoyl)-1,2,3,5-tetrahydropyrrolo(2,3-f)indole,MPCTPI,SB-206553,SB206553 ] a high-affinity 5-HT(2C/2B) antagonist; structure given in first source