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|Section2= |Section3= }} Antiarins are cardiac glycoside poisons produced by the upas tree (''Antiaris toxicaria''). There are two forms, α-antiarin and β-antiarin. == Beta-antiarin == Beta-antiarin, a cardiac glycoside steroid, can be isolated from upas tree latex (''Antiaris toxicaria''). Its usage ranges from medical use, such as hypertension treatment, to arrow poison application. It also proves to be more poisonous than curare, sporting a high LD50 of 0.1 mg per kg in most mammals. To date, beta-antiarin has only been isolated from the upas tree by the scientist H. Kiliani in 1896; no synthetic synthesis has yet been achieved. ''Other names'' β-antiarin, antiarigenin-rhamnoside 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Antiarin」の詳細全文を読む スポンサード リンク
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