ritalin ( methylphenidate hydrochloride ) , benzedrine ( amphetamine sulfate ) , and dexedrine ( dextroamphetamine sulfate ) were examined for oncogenicity using a serial line of fischer rat embryo cells , which was previously shown to be a sensitive and accurate indicator of chemicals carcinogenic for rodents .
C0728759
ritalin
C0700545
methylphenidate hydrochloride