Adderall and Mydayis[10] are trade names for a combination drug termed mixed amphetamine salts ("MAS" solutions) that contains four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which provides a (three:one) ratio (by pounds) between dextroamphetamine and levoamphetamine, The 2 enantiomers of