nitrazepate nitrazepate nitrazepate (lorzem) is a drug which is a benzodiazepine derivative and has anxiolytic properties. it is normally produced as its potassium salt, potassium nitrazepate. nitrazepateidentifiers iupac name (rs)-7-nitro-2-oxo-5-phenyl-2,3-dihydro-1h-1,4-benzodiazepine-3-carboxylic acid cas number5571-84-6 ypubchem cid21741chemspider20436 yunii3d69h48u8qcomptox dashboard (epa)dtxsid80971082 chemical and physical dataformulac16h11n3o5molar mass325.280 g·mol−13d model (jsmol)interactive imagechiralityracemic mixture smiles (c1=cc2=c(c=c1)nc(c(c(o)=o)n=c2c3=cc=cc=c3)=o)=o inchi inchi=1s/c16h11n3o5/c20-15-14(16(21)22)18-13(9-4-2-1-3-5-9)11-8-10(19(23)24)6-7-12(11)17-15/h1-8,14h,(h,17,20)(h,21,22) ykey:jpeuyyktufradv-uhfffaoysa-n y (verify)