3,4-Difluoroamphetamine (DFA) is a substituted amphetamine which has been sold as a designer drug. It has relatively weak activity as a serotonin releasing agent with only around 1/4 of the affinity for the serotonin transporter compared to MDA, but its activity at other targets has not been studied.

See also 3-Fluoroamphetamine 3-Fluoromethamphetamine 4-Fluoroamphetamine 4-Fluoromethamphetamine 3,5-Difluoromethcathinone DFMDA DODC Xylopropamine

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