Adderall and Mydayis[10] are trade names for a mixture drug called mixed amphetamine salts ("MAS" solutions) made up of 4 salts of amphetamine. The combination is composed of equal sections racemic amphetamine and dextroamphetamine, which produces a (3:one) ratio (by weight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomers of amphet