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In this study, a rapid and reliable ultra‐fast liquid chromatography–tandem mass spectrometry method was developed and validated for the simultaneous determination of eight active ingredients, including astragaloside IV, ononin, tanshinol, protocatechualdehyde, protocatechuic acid, salvianolic acid D, rosmarinic acid and ginsenoside Rg1, in rat plasma. The plasma samples were pretreated by protein...
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