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To study the chemical constituents of the roots and stem bark of Kadsura coccinea. Compounds were isolated by column chromatography on silica gel and Sephadex LH-20, and finally purified by prep-HPLC. Their structures were elucidated by extensive spectroscopic methods, including 1D- and 2D-NMR, and HR-ESI-MS. Two compounds were determined as (7′S,8′S,8R)-(8β,8′α)-dimethyl-4,4′-dihydroxy-5,3′-dimethoxy-5′-cyclolignan...
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