Three new flavones, 5, 6, 7, 5'-tetramethoxy-3', 4'-methylenedioxyflavone (1), 5, 6, 7, 3', 4', 5'-hexamethoxyflavone (II) and 5, 7, 5'-trimethoxy-3', 4'-methylenedioxyflavone (IV), together with known flavones, 5, 6, 7, 3', 4'-pentamethoxyflavone (III), 5, 7, 3', 4', 5'-pentamethoxyflavone (V). and 5, 7, 3', 4'-tetramethoxyflavone (VI), have been isolated and identified from the root of Bauhinia championii BENTH.
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Chen et al. (1984) studied this question.
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