Synonyms: 2-Piperidineaceticacid, a-phenyl-, methyl ester,hydrochloride, (aR,2R)-(9CI);2-Piperidineacetic acid, a-phenyl-, methyl ester, hydrochloride, (aR,2R)-(+)- (8CI);2-Piperidineacetic acid, a-phenyl-, methyl ester,hydrochloride, [R-(R*,R*)]-;D-threo-Methylphenidate hydrochloride;Dexmethylphenidate hydrochloride;Focalin;d-threo-Methylphenidatehydrochloride;