4-Fluoromethamphetamine (4-FMA) is a stimulant drug related to methamphetamine and 4-fluoroamphetamine. It has been identified as a component of designer drugs sold as bath salts or powders. 3-FMA is an isomer of 4-FMA characterized by having fluorine at the 3 position of the phenyl group. The physiological and toxicological properties of this compound are not known. This product is intended for forensic and research applications.
