<unk>  (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 It was introduced as an antidepressant in 1961, but was subsequently withdrawn in 1966 due to hepatotoxicity concerns.
Phenoxypropazine
Beclamide
Brimonidine
Clonidine
Nicergoline
Avacopan
Levorphanol
Seltorexant