Adderall and Mydayis[10] are trade names for a combination drug termed combined amphetamine salts ("MAS" products) containing four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which makes a (three:one) ratio (by weight) in between dextroamphetamine and levoamphetamine, The 2 enantiomers of