Adderall and Mydayis[10] are trade names for a mixture drug referred to as blended amphetamine salts ("MAS" goods) that contains four salts of amphetamine. The mixture is made up of equivalent pieces racemic amphetamine and dextroamphetamine, which creates a (3:1) ratio (by pounds) among dextroamphetamine and levoamphetamine, the two enantiomers of