科研之友
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摘要
A new triterpene, 3 beta,19 alpha-dihydroxy-6 beta-acetoxy-ursane (1), was isolated from the rhizomes of Astilbe chinensis. Its structure was elucidated on the basis of 1D and 2D NMR analyses and HR-MS experiments. The isolated compound exhibited cytotoxic activities against HeLa and L929 cell lines.
