autosampler vial,. 2. Transfer 250 μL of mobile phase A into the vial. 3. Transfer 150 μL of the respective standard stock solution into the vial and mix. All analyses were performed using LC separation, performed using an Aijiren Series LC pump configured with a Phenomenex Synergi 2.5 μm Fusion-RP (100 Å, 50 x 2.0 mm) column, an AB