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从箭叶淫羊藿Epimediumsagittafum中分到了3个化合物：β－谷甾醇，β－谷甾醇葡萄糖试及一新黄酮化合物──箭叶素。经波谱分析和化学反应测定其结构为5－羟基－6，7－二甲氧基－3＇，4＇－亚甲二氧基黄酮。
Three compounds were identified from Epimedium sagittafum: β-sitosterol, β-sitosterol glucose and a new flavonoid compound - angiogenin. The structure was determined as 5-hydroxy-6,7-dimethoxy-3’,4’-methylenedioxyflavone by spectral analysis and chemical reaction.