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.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.