Methylamphetamine

Methylamphetamine may refer to:


 * Phentermine, α-methylamphetamine
 * 2-Phenyl-3-aminobutane, β-methylamphetamine
 * Methamphetamine, N-methylamphetamine
 * Methamphetamine hydrochloride, "crystal meth"
 * Ortetamine, 2-methylamphetamine
 * 3-Methylamphetamine
 * 4-Methylamphetamine