Erowid 4-fluoro-amphetamine Vault 4-fa : Authorized Status Erowid 4-fluoro-amphetamine Vault 4-fa : Authorized Status acadiacs.org Description 4-FA Legal USA Vendor, 4-FA Psychonaut Online (or 4-FMP ; PAL-303 ; “ Flux “), also known as para -fluoroamphetamine ( PFA ) is a psychoactive research chemical of the phenethylamine and s
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