A new lignan, (−)-7,8- cis -8,8‘- trans -7‘,8‘- trans -7-(3,4-(methylenedioxy)phenyl)-7‘-(3‘,4‘-dimethoxyphenyl)-8,8‘-bis(methoxymethyl)tetrahydrofuran, named virgatusin ( 1 ), was isolated from the EtOH extract of the whole herb of Phyllanthus virgatus, together with seven known lignans and indole-3-carboxylic acid.
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Huang et al. (1996) studied this question.
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