Fig. 7.

The representative ESI(+)-MS/MS fragment spectra of the ions at (A) m/z 846 [M+H]⁺ and (B) m/z 859 [M+H]⁺. Proposed structures of the relevant GSH S-conjugates are shown. Dashed lines depict suggested sites of fragmentation (a–f). ESI: electrospray ionization.