FHATHBIN
FHATHBIN, also known as 5-hydroxy-11-aminotetrahydrobenzindole or as 4,α-methylene-5-HT, is a serotonin receptor agonist of the partial ergoline group. It is a cyclized tryptamine and tricyclic derivative of serotonin as well as a simplified analogue of LSD. The drug is known to act on the serotonin 5-HT1A receptor. FHATHBIN was first reported in the scientific literature by 1984.