methylenedioxyphenmetrazine methylenedioxyphenmetrazine 3,4-methylenedioxyphenmetrazine, also known as 3-mdpm, is a recreational designer drug with stimulant effects. it is a substituted phenylmorpholine derivative, closely related to better known drugs such as phenmetrazine and 3-fluorophenmetrazine. it has been identified as a synthetic impurity formed in certain routes of mdma manufacture. 3,4-methylenedioxyphenmetrazineidentifiers iupac name 2-(1,3-benzodioxol-5-yl)-3-methylmorpholine pubchem cid82286499uniimkt3g7k43gchemical and physical dataformulac12h15no3molar mass221.256 g·mol−13d model (jsmol)interactive image smiles cc1nccoc1c1cc2ococ2cc1 inchi inchi=1s/c12h15no3/c1-8-12(14-5-4-13-8)9-2-3-10-11(6-9)16-7-15-10/h2-3,6,8,12-13h,4-5,7h2,1h3key:jmablcpxwzolcw-uhfffaoysa-n