Methylenedioxyphenmetrazine
3,4-Methylenedioxyphenmetrazine (MDPM or 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.
Source: Wikipedia — Methylenedioxyphenmetrazine (CC BY-SA 4.0)