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Wiktionary
gepefrine

n. An antihypertensive or sympathomimetic agent of the amphetamine family.

Wikipedia
Gepefrine

Gepefrine ( INN; trade names Pressionorm and Wintonin), also known as 3-hydroxyamphetamine, meta-hydroxyamphetamine, and α-methyl-meta-tyramine, is an antihypotensive or sympathomimetic agent of the amphetamine family that is marketed in certain European countries.

It is a known metabolite of amphetamine in rats.