Picrotoxin
（重定向自Cocculin）
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Picrotoxin, also known as cocculin, is a poisonous crystalline plant compound, first isolated by the French pharmacist and chemist Pierre François Guillaume Boullay (1777–1869) in 1812. The name "picrotoxin" is a combination of the Greek words "picros" (bitter) and "toxicon" (poison).