etybenzatropine etybenzatropine etybenzatropine (inn), also known as ethybenztropine (usan, ban) and tropethydrylin, is an anticholinergic/antihistamine marketed under the trade names panolid, ponalid, and ponalide, which is used as an antiparkinsonian agent. like its analogue benzatropine, it may act as a dopamine reuptake inhibitor. etybenzatropineclinical dataroutes ofadministrationoral, im, ivatc coden04ac30 (who) identifiers iupac name (3-endo)-3-(diphenylmethoxy)-8-ethyl-8-azabicyclooctane cas number524-83-4 ypubchem cid71637chemspider16736129 yuniig1x2x9n95nkeggd04087 ycomptox dashboard (epa)dtxsid50905096 chemical and physical dataformulac22h27nomolar mass321.464 g·mol−13d model (jsmol)interactive image smiles ccn12cc1c(c2)oc(c3ccccc3)c4ccccc4 inchi inchi=1s/c22h27no/c1-2-23-19-13-14-20(23)16-21(15-19)24-22(17-9-5-3-6-10-17)18-11-7-4-8-12-18/h3-12,19-22h,2,13-16h2,1h3/t19-,20+,21+ ykey:phtmllgdzbzxmw-aercqkqusa-n y (verify)