Dextroamphetamine sulfate. Molecular model of the drug dextroamphetamine sulfate (2C9.H13.N?H2.O4.S). This drug is one of the four components of Adderall, a drug indicated for the treatment of attention deficit hyperactivity disorder (ADHD). The other three components are: dextroamphetamine saccharate, amphetamine aspartate, and amphetamine sulfate. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue), oxygen (red) and sulfur (yellow).