nitrazepam1,3-dihydro-7-nitro-5-phenyl-2H-1,4-benzodiazepin-2-one2,3-dihydro-7-nitro-5-phenyl-1H-1,4-benzodiazepin-2-one7-nitro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one7-nitro-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-oneN-desmethylnimetazepamRo 4-5360Ro 5-3059