-MPH undergoes enantioselective metabolism, which leads to significant variations during the plasma concentrations of its isomers, dependant upon route of administration and formulation.[15] Methylphenidate is stated as being a Schedule II substance from the 1971 United Nations Convention on Psychotropic Substances. As compared to EPH/3fpm it's unnoticeable on the nose https://scotty700rug8.national-wiki.com/user