Adderall and Mydayis[10] are trade names for a combination drug identified as blended amphetamine salts ("MAS" items) made up of four salts of amphetamine. The mixture is made up of equivalent components racemic amphetamine and dextroamphetamine, which generates a (three:one) ratio (by weight) among dextroamphetamine and levoamphetamine, The 2 enan