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A Novel Ester Iridoid Glucoside from Sambucus ebulus L. (Caprifoliaceae) A novel ester iridoid glucoside, ebuloside ( 1 ,), which shows structure elements of the rare 7-Dehydrologanin derivatives combined with those of the Valerianaceae iridoids, was isolated from the roots of Sambucus ebulus L. Its structure was determined by MS, NMR, and CD spectroscopy as 7-oxo-8-deoxyvalerosidatum.  相似文献   

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