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A new chalcone glycoside,butein-4-methoxyl-4'-O-(6'-O-acetyl)-β-D-glucopyranoside(2),along with seven known compounds,namely,quercitrin(1),luteolin-7-O-β-D-glucopyranoside(3),butein-4'-O-β-D-glucopyra-noside(4),butein-4-methoxyl-4'-O-β-D-g