Synonyms: 5-Phenyl-7-chloro-3H-1,4-benzodiazepin-2(1H)-one4-oxide;7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide;7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide;Chlordiazepoxide lactam;NSC 169898;NSC 46007;NSC 46077;1,3-Dihydro-7-chloro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide;