3,7-Dihydro-6,7-dimethyl-5-phenylpyrrolo(3,4-e)(1,4)diazepin-2(1H)-one 3,7-Dihydro-6,7-dimethyl-5-phenylpyrrolo(3,4-e)-1,4-diazepin-2(1H)-one 57435-86-6 BRN 0617435 MDL 181 NSC 290940 Premazepam Premazepam [BAN:INN] Premazepamum [INN-Latin] Pyrrolo(3,4-e)(1,4)diazepin-2(1H)-one, 3,7-dihydro-6,7-dimethyl-5-phenyl-