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The selected segment of HPLC-DAD chromatogram of the hydro-alcoholic extract (HAE) recorded at 254 nm. Peak assignments (tentative identification): 1. isoschaftoside; 2. schaftoside; 3. vicenin-2; 4. vicenin-3; 5. caffeic acid; 6. isoorientin; 7. isovitexin; 8. swertisin; 9. 1β,10β-epoxydesacetoxymatricarin; 10. leucodin; 11. 5-demethylsinensetin; 12. 2-(3,4-dimethoxy-phenyl)-3-hydroxy-5,6,7-trimethoxy-chromen-4-one; 13. salvigenin.
