Synonyms: 5-(2-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one, 5-(o-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one, 1,3-Dihydro-7-nitro-5-(o-chlorophenyl)-2H-1,4-benzodiazepin-2-one, 5-(2-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one, 5-(6-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one, 7-Nitro-5-(2-chlorophenyl)-3H-1,4-benzodiazepin-2(1H)-one, Antelepsin, Antilepsin, Apetryl, Clonazepam, Clonex, Clonopin, Iktorivil, Kenoket, Klonopin, Landsen, Lonazep, NSC 179913, Paxam, Rivotril, Ro 5-4023, 5-(o-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one