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A sensitive and specific liquid chromatographic method with electrospray ionization mass spectrometry (LC–ESI-MS) has been developed and validated for identification and quantification of mitiglinide in human urine. A simple liquid–liquid extraction procedure was followed by separation on a C18 column with gradient elution, and detection using a single-quadrupole mass spectrometer in selected-ion-monitoring...
Olprinone is a phosphodiesterase (PDE)-3 inhibitor. This paper describes a simple, selective and sensitive method for the quantification of olprinone in rat plasma using a liquid–liquid extraction procedure followed by liquid chromatography mass spectrometric (LC–MS) analysis. The method had an advantage of high sensitivity. Analyses were conducted at a flow rate of 0.25 mL min−1 by a gradient elution...
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