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从毛裂蜂斗菜 ( Petasites tricholobus Franch.)的石油醚提取物中首次分离得到6个化合物 ,运用 IR,EI- MS,HRMS,1H NMR,13C NMR,DEPT等光谱方法确定了它们的结构。它们分别是 :A1,β-谷甾醇 ;A2 ,三十二碳酸 ;A3,羽扇豆醇 ;A4 ,Bakkenolide-B;A5,Bakkenolide- D和 A6,Bakkenolide- E。
Six compounds were first isolated from petroleum ether extracts of Petasites tricholobus Franch. Their structures were determined by IR, EI-MS, HRMS, 1H NMR, 13C NMR, DEPT and other spectral methods. They are: A1, β-sitosterol, A2, tricosanoic acid, A3, lupeol, A4, Bakkenolide-B, A5, Bakkenolide-D and A6, Bakkenolide-E.