fallypride fallypride fallypride is a high affinity dopamine d2/d3 receptor antagonist used in medical research, usually in the form of fallypride (18f) as a positron emission tomography (pet) radiotracer in human studies. fallypride (18f)clinical datapregnancycategory n/a atc codenonelegal statuslegal status research compound identifiers iupac name 5-(3-18f-fluoropropyl)-2,3-dimethoxy-n-methyl]benzamide cas number166173-78-0pubchem cid10021692chemspider8197265uniig9fwz369gxcomptox dashboard (epa)dtxsid30937173 chemical and physical dataformulac20h29fn2o3molar mass364.461 g·mol−13d model (jsmol)interactive image smiles coc1=cc(=cc(=c1oc)c(=o)nc2cccn2cc=c)cccf inchi inchi=1s/c20h29fn2o3/c1-4-10-23-11-6-8-16(23)14-22-20(24)17-12-15(7-5-9-21)13-18(25-2)19(17)26-3/h4,12-13,16h,1,5-11,14h2,2-3h3,(h,22,24)/t16-/m0/s1key:oabrynhzqbzdmg-inizcteosa-n