Buy pure high quality 4-MPD Crystal online with Bitcoin - Buy legal drugs online, buy research chemicals, buy raw pharmaceutical powders. 4-MPD Crystal for sale overnight delivery. 4-MPD (also known as 4-Methylpentedrone and 4-Methyl-?-methylamino-valerophenone), is a stimulant drug of the cathinone class. It is a higher homologue of 4-Methylmethcathinone (Mephedrone) and 4-Methylbuphedrone (4-MeMABP), and the p-Methyl analogue of Pentedrone.