MDPHP, chemically known as 3′,4′-methylenedioxy-α-pyrrolidinohexiophenone, is a synthetic cathinone that emerged in the European designer drug market around 2014–2015 as a successor to earlier high-risk stimulants like MDPV and α-PVP. Often sold under street names such as “monkey dust” (particularly in parts of the United Kingdom), “super speed,” or simply as an unlabeled white powder […]