Wiktionary
phenoxypropazine
n. A hydrazine derivative and monoamine oxidase inhibitor.
Wikipedia
Phenoxypropazine
Phenoxypropazine (trade name Drazine) is an irreversible and non- selective monoamine oxidase inhibitor (MAOI) of the hydrazine family. It was introduced as an antidepressant in 1961, but was subsequently withdrawn in 1966 due to hepatotoxicity concerns.