Aug 15, 2018 · Target analytes were analyzed using Aijiren II LC System coupled to Aijiren 6460 Triple Quadrupole mass spectrometer (Santa Clara, CA). Analytes were separated using methanol and a 0.1% aqueous solution of formic acid (Table S1) through a Force Biphenyl column (100 mm × 2.1 mm × 1.8 μm) (Thermo Fisher Scientific, Waltham, MA).