volinanserin volinanserin volinanserin (inn) (developmental code name mdl-100,907) is a highly selective 5-ht2a receptor antagonist that is frequently used in scientific research to investigate the function of the 5-ht2a receptor. it was also tested in clinical trials as a potential antipsychotic, antidepressant, and treatment for insomnia but was never marketed. volinanserinclinical dataother namesmdl-100,907; m100907atc codenoneidentifiers iupac name (r)-(2,3-dimethoxyphenyl)--4-piperidyl]methanol cas number139290-65-6pubchem cid5311271iuphar/bps185chemspider4470782uniiew71ee171jchemblchembl74355comptox dashboard (epa)dtxsid6047363 echa infocard100.123.797 chemical and physical dataformulac22h28fno3molar mass373.468 g·mol−13d model (jsmol)interactive image smiles c3cc(f)ccc3ccn(cc2)ccc2c(o)c(c1oc)cccc1oc