4-HO-MPT, aka meprocin, is a novel tryptamine discovered by Alexander Shulgin. It is an N-propyl homologue of psilocin, and the 4-hydroxyl analogue of N-methyl-N-propyltryptamine. It is NOT intended for human consumption, and is strictly for laboratory reagent or forensic analysis purposes ONLY. This chemical is available only as the fumarate salt.
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