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The chromatograms for the n-butanol extract from Folium isatidis.
Notes: (A) Anthranilic acid, (B) adenosine, (C) pyroglutamic acid, (D) 4(3H)-quinazolinone, (E) 5-hydroxy-2-molindone, (F) nicotinic acid, (G) isoscoparin, and (H) isovitexin.
Abbreviation: RT, retention time.
