Synonyms : Akineton, Biperiden Hydrochloride, Biperiden, 1R-(1 alpha, 2 alpha(R*), 4 alpha)-Isomer, Biperiden, 1S-(1 alpha, 2 alpha(R*), 4 alpha)-Isomer, Biperidene, alpha-Bicyclo(2.2.1)hept-5-en-2-yl-alpha-phenyl-1-piperidinepropanol, Hydrochloride, Biperiden