Figure 3: BQB and BQB-d7 labeled urine in nasopharyngeal cancer analyzed by IL-LC-MRM-MS.

(A) Total ion chromatogram of MRM analysis; (B) Extracted ion chromatograms of m/z 333 and 340 from total ion chromatograms.

(A) Total ion chromatogram of MRM analysis; (B) Extracted ion chromatograms of m/z 333 and 340 from total ion chromatograms.