A new sesquiterpenoid derivative, 8β,11-dihydroxy-1β,5β-epoxyarbutan-3-one (1), along with 18 known compounds (2–19), were isolated from the ethanol extract of the aerial parts of Daucus carota. The chemical structure of the new compound was established by means of spectroscopic analysis, including one and two-dimensional NMR spectroscopy.

中文翻译：

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胡萝卜地上部分的化学成分

从 Daucus carota 地上部分的乙醇提取物中分离出一种新的倍半萜类衍生物 8β,11-dihydroxy-1β,5β-epoxyarbutan-3-one (1) 以及 18 种已知化合物 (2-19)。新化合物的化学结构是通过光谱分析确定的，包括一维和二维核磁共振光谱。