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. Author manuscript; available in PMC: 2018 Dec 20.
Published in final edited form as: Annu Rev Pharmacol Toxicol. 2011 Aug 3;52:37–56. doi: 10.1146/annurev-pharmtox-010611-134748

Figure 2.

Figure 2

Figure 2

Metabolic reactions of (a) cyclophosphamide and (b) ifosfamide in mouse urine. Boxed structures in pink represent proposed reactive metabolites; boxed structures in blue represent novel metabolites discovered by UPLC-ESI-QTOFMS-based metabolomics (i.e., metabolomics based on ultraperformance liquid chromatography–electrospray ionization–quadrupole time-of-flight mass spectrometry). Abbreviation: GSH, glutathione.