sarmazenil sarmazenil sarmazenil (ro15-3505) is a drug from the benzodiazepine family. it acts as a partial inverse agonist of benzodiazepine receptors, meaning that it causes the opposite effects to most benzodiazepine drugs, and instead acts as an anxiogenic and convulsant. it is used in veterinary medicine to reverse the effects of benzodiazepine sedative drugs in order to rapidly re-awaken anesthetized animals. sarmazenilclinical dataahfs/drugs.cominternational drug namesatcvet codeqv03ab91 (who) identifiers iupac name ethyl 7-chloro-5-methyl-6-oxo-5,6-dihydro-4h-imidazobenzodiazepine-3-carboxylate cas number78771-13-8 ypubchem cid71231chemspider64366 nuniif84ae7x24pchemblchembl46547 ncomptox dashboard (epa)dtxsid70229281 chemical and physical dataformulac15h14cln3o3molar mass319.75 g·mol−13d model (jsmol)interactive image smiles ccoc(=o)c1=c2cn(c(=o)c3=c(n2c=n1)c=cc=c3cl)c inchi inchi=1s/c15h14cln3o3/c1-3-22-15(21)13-11-7-18(2)14(20)12-9(16)5-4-6-10(12)19(11)8-17-13/h4-6,8h,3,7h2,1-2h3 nkey:wsdbafqwnwjtng-uhfffaoysa-n n ny (what is this?) (verify)