metixene metixene metixene (brand names methixart, cholinfall, tremonil, trest), also known as methixene, is an anticholinergic used as an antiparkinsonian agent. metixeneclinical dataahfs/drugs.cominternational drug namesatc coden04aa03 (who) identifiers iupac name 1-methyl-3-(9h-thioxanthen-9-ylmethyl)piperidine cas number4969-02-2 ypubchem cid4167iuphar/bps7232drugbankdb00340chemspider4023unii32vy6l26zwkeggd08209chebichebi:51024chemblchembl1201342comptox dashboard (epa)dtxsid1047867 echa infocard100.023.282 chemical and physical dataformulac20h23nsmolar mass309.47 g·mol−13d model (jsmol)interactive image smiles cn1cccc(c1)cc2c3=cc=cc=c3sc4=cc=cc=c24 inchi inchi=1s/c20h23ns/c1-21-12-6-7-15(14-21)13-18-16-8-2-4-10-19(16)22-20-11-5-3-9-17(18)20/h2-5,8-11,15,18h,6-7,12-14h2,1h3key:mjfjkkxqdnnujf-uhfffaoysa-n ny (what is this?) (verify)