A new flavonoid compound isokaempferide 7-O-beta-d-(6''-methylglucuronide) (1) was isolated from flowers of Cirsium rivulare (Jacq.) All. Its structure was elucidated on the basis of spectroscopic studies (UV, (1)H and (13)C NMR, FABMS). Moreover, five known flavonoid compounds: apigenin
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