3,7-Dihydro-5,8-diphenyl-6-methylpyrrolo(3,4-e)(1,4)diazepin-2(1H)-one 57435-82-2 BRN 0623004 Pyrrolo(3,4-e)(1,4)diazepin-2(1H)-one, 3,7-dihydro-5,8-diphenyl-6-methyl-