科研之友
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摘要
One novel sesquiterpene lactone, sonchifoliactone A1 (1), along with one known compound, sonchifoliactone A (2), were isolated from the water extract of the whole plant of Ixeris sonchifolia Hance. The structures of these compounds were elucidated through spectroscopic techniques including HR-MS and 2D NMR.
