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Total ion chromatogram of the reference substances in positive ion mode (a. Liquiritin; b. Hesperidin; c. Alpinetin; d. Glycyrrhizic acid; e. 6-Gingerol; f. Pinocembrin; g. Cardamonin; h. Honokiol; i. Costunolide; j. Dehydrocostuslactone; k. Magnolol; l. Alnustone).
