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从西班牙南部采集的飞燕草属植物D.pentagy-num Lam.中分得新的C-19二萜生物碱——gadesine(Ⅰ)。本文报道(Ⅰ)的结构测定。
A new C-19 diterpene alkaloid, gadesine (Ⅰ), was isolated from D. pelagatum collected from southern Spain. This article reports the structural determination of (I).