4-Fluoromethamphetamine
Summary 4-Fluoromethamphetamine (4-FMA) is a stimulant substance that shares a chemical relationship with methamphetamine and 4-fluoroamphetamine. While it has been observed as being available as a designer drug, comprehensive knowledge regarding its pharmacological properties and potential toxicity remains limited.Initially emerging in the context of legal highs in Japan around 2006, it later faced legal restrictions …