Definition: Benzopyrroles with the nitrogen at the number two carbon, in contrast to INDOLES which have the nitrogen adjacent to the six-membered ring.
perospirone [ 2-(4-(4-(1,2-benzisothiazol-3-yl)-1-piperazinyl)butyl)hexahydro-1H-isoindole-1,3-(2H)-dione,SM 9018,SM-9018 ] structure given in first source
