mosapramine mosapramine mosapramine (cremin) is an atypical antipsychotic used in japan for the treatment of schizophrenia. it is a potent dopamine antagonist with high affinity to the d2, d3, and d4 receptors, and with moderate affinity for the 5-ht2 receptors. mosapramineclinical datatrade namescremin (クレミン, jp)ahfs/drugs.cominternational drug namesroutes ofadministrationoral (tablets, oral solution)atc coden05ax10 (who) legal statuslegal status rx-only (jp) identifiers iupac name 1'-benzazepin-11-yl)propyl]spiropyridine-3,4'-piperidine]-2-one cas number89419-40-9 ypubchem cid4257drugbankdb13676chemspider4107unii04uzq7o9sjkeggd08235 ycomptox dashboard (epa)dtxsid0048846 chemical and physical dataformulac28h35cln4omolar mass479.07 g·mol−13d model (jsmol)interactive image smiles c1ccn2c(c1)nc(=o)c23ccn(cc3)cccn4c5=cc=cc=c5ccc6=c4c=c(c=c6)cl inchi inchi=1s/c28h35cln4o/c29-23-12-11-22-10-9-21-6-1-2-7-24(21)32(25(22)20-23)16-5-15-31-18-13-28(14-19-31)27(34)30-26-8-3-4-17-33(26)28/h1-2,6-7,11-12,20,26h,3-5,8-10,13-19h2,(h,30,34)key:pxuizulxjvrbpc-uhfffaoysa-n (verify)