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Chemical structures of the 10 quantitative compounds in leaves of C. paliurus: (1) 3-O-caffeoylquinic acid; (2) 4-O-caffeoylquinic acid; (3) quercetin-3-O-glucuronide; (4) quercetin-3-O-galactoside; (5) isoquercitrin; (6) kaempferol-3-O-glucuronide; (7) kaempferol 3-O-glucoside; (8) quercetin-3-O-rhamnoside; (9) 4,5-di-O-caffeoylquinic acid; (10) kaempferol-3-O-rhamnoside.
