7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide;7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide; 1,3-Dihydro-2H-1,4-benzodiazepin-2-one 4-oxide, 7-chloro-5-(2-chlorophenyl)-;