Aconitine:
Aconitine is a toxin produced by the "Aconitum" plant, also known as devil’s helmet or monkshood.
en.wikipedia.org
乌头碱:
烏頭鹼（Aconitine）是常用中藥烏頭中所含有的一種化學物質，具強烈毒性，口服0.2mg左右即能使人中毒，3—5mg即可致死。
zh.wikipedia.org
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Aconitine乌头碱