(?R,2R)-rel-?-Phenyl-2-piperidineacetic Acid Methyl Ester Hydrochloride;(R*,R*)-(+/-)-?-Phenyl-2-piperidineacetic Acid Methyl Ester Hydrochloride; Methyl threo-?-Phenyl-?-(2-piperidyl)acetate Hydrochloride; dl-threo-Methylphenidate Hydrochloride
(?R,2R)-rel-?-Phenyl-2-piperidineacetic Acid Methyl Ester Hydrochloride;(R*,R*)-(+/-)-?-Phenyl-2-piperidineacetic Acid Methyl Ester Hydrochloride; Methyl threo-?-Phenyl-?-(2-piperidyl)acetate Hydrochloride; dl-threo-Methylphenidate Hydrochloride