ethyl dirazepate ethyl dirazepate ethyl dirazepate is a drug which is a benzodiazepine derivative which was developed by sanofi winthrop. it has anxiolytic and hypnotic and possibly other characteristic benzodiazepine properties. ethyl dirazepateidentifiers iupac name ethyl 7-chloro-5-(2-chlorophenyl)-2-oxo-1,3-dihydro-1,4-benzodiazepine-3-carboxylate cas number23980-14-5 ypubchem cid208941chemspider181035 nunii74faa305ewchemblchembl2106231 nchemical and physical dataformulac18h14cl2n2o3molar mass377.221 g·mol−13d model (jsmol)interactive image smiles ccoc(=o)c1c(=o)nc2=c(c=c(c=c2)cl)c(=n1)c3=cc=cc=c3cl inchi inchi=1s/c18h14cl2n2o3/c1-2-25-18(24)16-17(23)21-14-8-7-10(19)9-12(14)15(22-16)11-5-3-4-6-13(11)20/h3-9,16h,2h2,1h3,(h,21,23) nkey:xfvpzjmxrnbhlq-uhfffaoysa-n n ny (what is this?) (verify)