What is the difference between brand adderall (dextroamphetamine and racemic amphetamine) and amphetamine salts?

Adderall: brand name: For 'mixed salts of a single entity amphetamine product.' various generic names occur including mixed amphetamine salts, amphetamine-dextroamphetamine, and (dextroamphetamine saccharate, amphetamine aspartate, dextroamphetamine sulfate and amphetamine sulfate tablets) (the 4 salts). Brand and generic are basically equivalent in dosing and effect. Best regards.