Ephedrine
…1R,2S)-β-hydroxy-N-methylamphetamine, is a substituted phenethylamine and amphetamine derivative. It is similar in chemical structure to phenylpropanolamine, methamphetamine, and epinephrine (adrenaline). It differs from methamphetamine only by the presence of a hydroxyl group (–OH). Chemically, ephedrine is an alkaloid…