Dioxifedrine
Dioxifedrine, or dioxifedrin, also known as α-methylepinephrine or as 3,4-dihydroxyephedrine, is a sympathomimetic medication that was never marketed. It is described as a β-adrenergic receptor agonist and bronchodilator. The drug is a substituted phenethylamine and amphetamine and is the catecholamine derivative of ephedrine and the amphetamine analogue of epinephrine. Analogues of dioxifedrine include dioxethedrin, corbadrine, and α-methyldopamine.