4-MeO-DMT
4-MeO-DMT, or 4-methoxy-DMT, also known as 4-methoxy-N,N-dimethyltryptamine or as O-methylpsilocin (PSOM), is a serotonin receptor modulator and possible psychedelic drug of the tryptamine and 4-hydroxytryptamine families. It is the O-methylated analogue of psilocin (4-HO-DMT) and a positional isomer of 5-MeO-DMT. == Use and effects == According to Alexander Shulgin in his book TiHKAL (Tryptamines I Have Known and Loved), 4-MeO-DMT is not known to have been tested in humans.