psilocybin3-(2-(Dimethylamino)ethyl)-1H-indol-4-ol dihydrogen phosphate ester3-(2-Dimethylaminoethyl)indol-4-yl dihydrogen phosphate4-phosphoryloxy-N,N-dimethyltryptamineIndocybinO-phosphoryl-4-hydroxy-N,N-dimethyltryptaminePsilocybinPsilocybinepsilocin phosphate ester