3,7-Dihydro-5-phenyl-1,6,7-trimethylpyrrolo(3,4-e)(1,4)diazepin-2(1H)-one 57436-05-2 BRN 0619474 Pyrrolo(3,4-e)(1,4)diazepin-2(1H)-one, 3,7-dihydro-5-phenyl-1,6,7-trimethyl-