Adderall and Mydayis[10] are trade names for a mixture drug identified as blended amphetamine salts ("MAS" items) containing 4 salts of amphetamine. The mixture is composed of equal components racemic amphetamine and dextroamphetamine, which provides a (3:1) ratio (by bodyweight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers of