<unk>  or<unk> is a mycotoxin found in a group of mushrooms known as the Orellani of the family Cortinariaceae. Structurally, it is a bipyridine N-oxide compound somewhat related to the herbicide diquat.
Orellanine
Beta-Zearalenol
Tetramethyl bisphenol F
Diiodohydroxyquinoline
Metirosine
Psymberin
Methylenedioxypyrovalerone
Anisodamine