A New Triterpenoid Spaonin Isolated from the Seeds of Aesculus assamica Griff

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A new triterpenoid saponin, 21β-angeloylprotoaescigenin-3β-O-[α-L-rhamnopyranosyl(1-3)]β-D-glucopyranosiduronic acid 1, was isolated from the seeds of Aesculus assamica Griff. Its structure was elucidated on the basis of spectroscopic data analysis.
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