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Total ion chromatogram of 14 analytes of the (A reference compounds and (B) SXD1 sample: (1) trigonelline; (2) rutin; (3) baicalin; (4) baicalein; (5) wogonin; (6) epiberberine; (7) liquiritin; (8) lobetyolin; (9) 6-gingerol; (10) berberine; (11) palmatine; (12) betulinic acid; (13) oleanolic acid; (14) ursolic acid.
