fominoben fominoben fominoben is an antitussive agent of the benzanilide class, formerly marketed under the name noleptan. it binds poorly to the sigma-1 receptor, a receptor activated by many other antitussives. it is reported to have respiratory stimulant activity. other research has indicated it may be an agonist at the benzodiazepine site of the gabaa receptor. it was introduced in germany in 1973, in italy in 1979, and in japan in 1983. fominobenclinical datatrade namesbroncomenal, deronyl, finaten, noleptan, oleptan, terion, tosifar, tussiramaidentifiers iupac name n-methyl]phenyl]benzamide cas number18053-31-1 ypubchem cid3407drugbankdb08968chemspider3290uniitj2kk6nyjskeggd07988chebichebi:135639chemblchembl1697837comptox dashboard (epa)dtxsid1023075 echa infocard100.038.135 chemical and physical dataformulac21h24cln3o3molar mass401.89 g·mol−13d model (jsmol)interactive image smiles cn(cc1=c(c=cc=c1cl)nc(=o)c2=cc=cc=c2)cc(=o)n3ccocc3 inchi inchi=1s/c21h24cln3o3/c1-24(15-20(26)25-10-12-28-13-11-25)14-17-18(22)8-5-9-19(17)23-21(27)16-6-3-2-4-7-16/h2-9h,10-15h2,1h3,(h,23,27)key:ksnneuzoafrtds-uhfffaoysa-n adverse effects include appetite suppression, nausea, vomiting, insomnia, irritability, and hallucinations. rarer side effects include somnolence, dizziness, dry mouth, blurred vision, and urticaria.