Keywords: 4-HO-pyr-T.png Chemical structure of 4-HO-pyr-T own drawn in ChemDraw 2007-06-29 Mark PEA at http //en wikipedia org en wikipedia en wikipedia Mark PEA Original upload log page en wikipedia 4-HO-pyr-T png 2007-06-29 21 23 Mark PEA 637×366× 7499 bytes <nowiki>Chemical structure of 4-HO-pyr-T drawn in ChemDraw by User Mark PEA </nowiki> Psychedelic tryptamines |