Fig. 2.
Chemical structures of compounds 1–6: kaempferol 3,7-di-O-rhamnoside (1), kaempferol 7-O-neohesperidoside (2), kaempferol 3-O-glucoside (3), kaempferol 3-O-rhamnoside (4), kaempferol 7-O-rhamnoside (5), and kaempferol (6).
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