pridinol pridinol pridinol, sold under the brand name myopridin, is a muscle relaxant that is used as an antiparkinsonian and anticholinergic drug. pridinolclinical datatrade namesmyopridinahfs/drugs.cominternational drug namesroutes ofadministrationby mouth, parenteralatc codem03bx03 (who) combinations m03bx53 (who)legal statuslegal status uk: pom (prescription only) identifiers iupac name 1,1-diphenyl-3-(piperidin-1-yl)propan-1-ol cas number511-45-5 npubchem cid4904drugbankdb00945 nchemspider4735 yunii9e75q6suubchemblchembl404215 ycomptox dashboard (epa)dtxsid0045090 echa infocard100.007.390 chemical and physical dataformulac20h25nomolar mass295.426 g·mol−1 inchi inchi=1s/c20h25no/c22-20(18-10-4-1-5-11-18,19-12-6-2-7-13-19)14-17-21-15-8-3-9-16-21/h1-2,4-7,10-13,22h,3,8-9,14-17h2 ykey:rqxclmgkhjwmoa-uhfffaoysa-n y ny (what is this?) (verify) it was approved for medical use in the uk in may 2020.