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[期刊论文] 作者：ShuLinPENG XuMinZHU MingKuiWAN,
来源：中国化学快报：英文版 年份：2005
A novel oleanane-type triterpenic acid was isolated from the leaves of Gymnema sylvestre (Asclepiadaceae). The structure was characterized as 3β, 16β, 22β, 2...
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