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. Author manuscript; available in PMC: 2020 Feb 18.
Published in final edited form as: Chem Res Toxicol. 2018 Dec 19;32(1):80–89. doi: 10.1021/acs.chemrestox.8b00202

Figure 2.

Figure 2.

Fragmentation mechanisms of AFB1-N7-Gua and AFB1-FapyGua and their 15N5-labeled analogues, leading to product ions. Protonated molecular ions (MH+), product ions, and mass transitions are shown.