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1, luteolin-5-O-β-D-glucoside; 2, apigenin-5-O-β-D-glucoside, 3, genkwanin-5-O-β-D-primeveroside; 4, genkwanin-5-O-β-D-glucoside; 5, genkwanin-4′-O-β-D- lutinoside; 6, apigenin; 7, 3′-hydroxygenkwanin; 8, genkwanin. GF, Genkwa Flos.
