Adderall and Mydayis[10] are trade names for a mix drug identified as combined amphetamine salts ("MAS" products) containing 4 salts of amphetamine. The mixture is composed of equal sections racemic amphetamine and dextroamphetamine, which provides a (three:1) ratio (by excess weight) among dextroamphetamine and levoamphetamine, the two enantiomers