1H-Imidazo(1,2-a)(1,4)benzodiazepin-1-one, 2,4-dihydro-8-chloro-6-phenyl-2-(phenylmethylene)- 2,4-Dihydro-8-chloro-6-phenyl-2-(phenylmethylene)-1H-imidazo(1,2-a)(1,4)benzodiazepin-1-one 63146-63-4 BRN 0578099