Analytical column: Thermo Scientific ™ Accucore C18, 2.6 µm, 2.1 x 100 mm Thermo Scientific ™ HyperSep Retain PEP cartridges, 150 mg bed weight, 6 mL column capacity, 30/PK 9 mm wide opening silanized amber screw thread vials, ID patch, 2 mL, 100/PK 9 mm blue autosampler vial screw thread caps with PTFE/Silicone septum, 100/PK