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. 2017 Sep 5;8:609. doi: 10.3389/fphar.2017.00609

FIGURE 2.

FIGURE 2

Ultra-high performance liquid chromatography coupled with triple-quadrupole mass spectrometry (UHPLC-TQ MS) chromatography (MRM/SIM) of mixed standards for amino acids, nucleosides, and nucleobases analyzed in the present study.