Adderall and Mydayis[10] are trade names for a mixture drug named blended amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The combination is composed of equal pieces racemic amphetamine and dextroamphetamine, which creates a (3:one) ratio (by excess weight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers