Adderall and Mydayis[10] are trade names for a mixture drug referred to as blended amphetamine salts ("MAS" merchandise) made up of four salts of amphetamine. The combination is made up of equal elements racemic amphetamine and dextroamphetamine, which provides a (3:one) ratio (by weight) among dextroamphetamine and levoamphetamine, The 2 enantiome