HILIC (125 mm × 3 mm, 3 μm)Different compositions of AcN / ammonium acetate buffer were evaluatedESI-MS/MS[133]Standard solution mixturesOxime-type acetylcholinesterase reactivatorsZIC-HILIC (150 mm × 4.6 mm, 3.5 μm), Luna HILIC (100 mm × 2 mm, 3 μm)AcN / 0.9% NaCl in water...