Adderall and Mydayis[ten] are trade names for a mixture drug referred to as combined amphetamine salts ("MAS" products) containing four salts of amphetamine. The mixture is composed of equal sections racemic amphetamine and dextroamphetamine, which produces a (3:one) ratio (by pounds) among dextroamphetamine and levoamphetamine, The 2 enantiomers o