Buy pure high quality 4-MePPP Powder online with Bitcoin - Buy legal drugs online, buy research chemicals, buy raw pharmaceutical powders. 4-MePPP Powder for sale overnight delivery. 4-MePPP (also known as 4?-Methyl-?-pyrrolidinopropiophenone, MPPP or M?PPP) is a stimulant drug and substituted cathinone. It is structurally very similar to ?-PPP.