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Publikováno v:
Chemistry of Natural Compounds. 56:239-241
A new flavone, 6-methoxy-7,8-dihydroxyflavone (1), and a new natural flavone, 7-methoxy-6,8- dihydroxyflavone (2), together with two known flavones wogonin (3) and oroxylin A (4), were isolated from Tridax procumbens. The structures of the compounds