For a research chemical, the pharmacology of MDPHP Freebase has not been thoroughly examined; It's a synthetic cathinone compound structurally related to other cathinone derivatives such as methcathinone and mephedrone.Mar two, 2018 #thirteen It is Peculiar to me that MDPHP freebase is marketed to be a powder. Many of these chems (mdpv, apvp, and s… Read More