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Representative MRM Chromatograms. Blank sample (A1); Spiked sample (A2;. Lidocaine (10 ng/mL) and Clopedogril (10 ng/mL)); sample form N3 formulation (A3). Column: An acquity UPLCTM BEH Shield RP18 (1.7 μm column, 2.1 × 50 mm, Waters Corp, Milford, MA, USA).
