Adderall and Mydayis[10] are trade names for a mixture drug called mixed amphetamine salts ("MAS" merchandise) made up of four salts of amphetamine. The mixture is made up of equivalent sections racemic amphetamine and dextroamphetamine, which makes a (three:one) ratio (by excess weight) among dextroamphetamine and levoamphetamine, The 2 enantiomer