4-Fluoroamphetamine

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Science and technology

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What Wikipedia says

4-Fluoroamphetamine (4-FA; 4-FMP; PAL-303; "Flux"), also known as para-fluoroamphetamine (PFA), is a psychoactive research chemical of the phenethylamine and substituted amphetamine chemical classes. It produces stimulant and entactogenic effects.

Excerpt from the Wikipedia article “4-Fluoroamphetamine”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Gotgot44, CC BY-SA 4.0, via Wikimedia Commons.