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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Curr Drug Metab. 2021;22(9):735–745. doi: 10.2174/1389200222666210831125041

Fig. (4).

Fig. (4).

Representative high-resolution mass spectrum and chromatographic spectra of FGAR and IS. (A) High-resolution full scan mass spectrum of FGAR in negative mode with < 2 ppm error; (B) high-resolution full scan mass spectrum of internal standard (NAA-d3) in negative mode with < 2 ppm error; (C) extracted chromatogram of FGAR spiked in plasma at LLOQ (0.03 nmol/mL); (D) extracted chromatogram for internal standard (NAA-d3) in plasma; (E) extracted chromatogram of FGAR spiked in tumor at LLOQ (1 nmol/g); (F) extracted chromatogram for internal standard (NAA-d3) in EL4 tumor.