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A rapid, sensitive and high‐throughput liquid chromatography–tandem mass spectrometry was established and validated to assay the concentrations of 3,29‐dibenzoyl rarounitriol in rat plasma. Plasma samples were processed by liquid–liquid extraction with ethyl acetate and separated on a Hypersil Gold C18 column (50 × 4.6 mm, 3 µm) at an isocratic flow rate of 0.5 mL/min using methanol–10 mm ammonium...
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