Pseudophenmetrazine is a psychostimulant compound of the morpholine class.wikipedia**Biological activitybioactivebiologically activebioactivity In addition, along with phenmetrazine, it is believed to be one of the active metabolites of phendimetrazine, which itself is inactive and behaves merely as a prodrug.Potency (pharmacology)potentpotencypotencies Relative to phenmetrazine, pseudophenmetrazine is of fairly low potency, acting as a modest releasing agent of norepinephrine (EC 50 = 514 nM...