5-Fluoro-EPT
5-Fluoro-EPT is a psychedelic tryptamine derivative related to drugs such as EPT and 5-MeO-EPT. It acts as a potent full agonist at the 5-HT2A receptor with an EC50 of 5.54 nM and an efficacy of 104%. It produces a head-twitch response in animal studies, and is claimed to have antidepressant activity.