3-(2-dimethylamino)ethylindol-4-ol dihydrogen phosphate;the N',N' -dimethyl
derivative of 4-hydroxytryptamine; obtained from the
fruiting bodies of the
fungus Psilocybe mexicana and another
species of Psilocybe and Stropharia. Psilocybin is a
congener of 5-hydroxytryptamine, with striking
nervous system' >central
nervous system effects, and is readily hydrolyzed to 4-hydroxybufotenine; used as a
hallucinogenic agent (and by Mexican
aborigines to
induce trances).
Synonym: indocybin.