Trihexyphenidyl Hydrochloride; D,L-Trihexyphenidyl Hydrochloride; α-Cyclohexyl-α-phenyl-1-piperidinepropanol Hydrochloride; (±)-Trihexyphenidyl Hydrochloride; 1-Phenyl-1-cyclohexyl-3-piperidyl-1-propanol Hydrochloride; 3-(1-Piperidyl)-1-cyclohexyl-1-phenyl-1-propanol Hydrochloride; 3-(1-Piperidyl)-1-phenyl-1-cyclohexyl-1-propanol Hydrochloride; Alpha-cyclohexyl-alpha-phenyl-1-piperidinepropanol Hydrochloride; Antitrem; Aparkane; Artane; Artane Hydrochloride; Benzhexol Chloride; Benzhexol Hydrochloride; Broflex; Cyclodol; Pacitane; Paralest; Parcopane; Pargitan; Parkidyl; Parkinane; Parkinol; Parkinsan; Parkisan; Parkopan; Partigan; Peragit; Pipanol (USP)