4-ACO-COPYRIGHT FOR SALE

First synthesized by Albert Hofmann in 1963, 4-AcO-copyright, or O-Acetylpsilocin, is a semi-synthetic derivative of psilocin. It is structurally similar to the naturally occurring alkaloid found in psilocybin mushrooms, differing only by the presence of an acetoxy group. Due to its close relationship 4 aco copyright fumarate with other tryptamines