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A new prenylcoumarin, 5-methoxyl-4,2'-epoxy-3-(4', 5'-dihydroxyphenyl)-linear pyranocoumarin (1), and a new flavonoid, 3-acetyl-3,5,4'-trihydroxy-7-methoxylflavone (2), were isolated from the roots of Ficus hirta. Their structures were elucidated by spectroscopic methods including 1D-, 2D- NMR and HR-ESI-MS.
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Ji et al. (2010) studied this question.
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