pirisudanol pirisudanol pirisudanol (mentis, menthen, mentium, nadex, nadexen, nadexon, pridana, stivane), also known as pyrisuccideanol, is the succinic acid ester of pyridoxine (a form of vitamin b6) and of deanol (dmae). it has been used in europe in the treatment of mild cognitive impairment as well as fatigue and depression. pirisudanolclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc coden06bx08 (who) legal statuslegal status in general: ℞ (prescription only) identifiers iupac name 2-(dimethylamino)ethylmethylbutanedioate cas number33605-94-6 ypubchem cid65782chemspider59202uniiw618z2smvlkeggd07347 ycomptox dashboard (epa)dtxsid60187301 echa infocard100.046.887 chemical and physical dataformulac16h24n2o6molar mass340.376 g·mol−13d model (jsmol)interactive image smiles cc1=nc=c(c(=c1o)co)coc(=o)ccc(=o)occn(c)c inchi inchi=1s/c16h24n2o6/c1-11-16(22)13(9-19)12(8-17-11)10-24-15(21)5-4-14(20)23-7-6-18(2)3/h8,19,22h,4-7,9-10h2,1-3h3key:ktoawcpdbucjed-uhfffaoysa-n (verify)