2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-5-(1H-pyrrol-2-yl)- 30195-30-3 7-Chloro-5-(2-pyrryl)-3H-1,4-benzodiazepin-2(H)-one NSC 66020 Ro 5-3335