Two New Xanthones from Polygala crotalarioides

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Two new xanthones, 1, 6, 8-trihydroxy-2, 3-methylenedioxyxanthone 1 and 1, 4-dihydroxy-6, 7-methylenedioxyxanthone 2, were isolated from the roots of Polygala crotalarioides.Their structures were elucidated by spectroscopic and chemical methods.
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