Apr 15, 2021 · LC/MS/MS system. The HPLC system was an Aijiren Technologies II series unit equipped with a quaternary flexible pump (G7104A), a multicolumn thermostat (MTC) chamber (G7116B), an autosampler ( B), and a diode array UV detector ( ). The HPLC unit was interfaced to an Aijiren Technologies 6495 triple quadrupole mass