A New Eremophilane Sesquiterpenoid from Ligularia przewalskii

A new eremophilane sesquiterpenoid, 3β-acetoxy-6α-angeloyloxy-eremophil-1(10),7(11),8(9)-trien-12,8-olide (1), was isolated from Ligularia przewalskii. The structure of the new compound was elucidated by physical and spectroscopic data analysis, including 1D NMR, 2D NMR, and HR-ESI-MS.