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A New C-Glycosylflavone from the Leaves of Cycas panzhihuaensis


A new C-glycosylflavone, named panzhihuacycaside (1), was isolated from the leaves of Cycas panzhihuaensis L. Zhou et S. Y. Yang (Cycadaceae) along with 2,3-dihydrohinokiflavone (2), 5,5″,7,7″,4′,4-hexahydroxy-(2′,8″)-biflavone (3), vanillic acid (4),β-sitosterol (5) and daucosterol (6). Their structures were elucidated by spectral and chemical evidence.

攀枝花苏铁叶中的一个新黄酮碳甙


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