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. 2017 Oct 16;14:485–491. doi: 10.1016/j.redox.2017.10.012

Fig. 5.

Fig. 5

Selective ion chromatogram and mass spectra of products 28 and 29, obtained in oxidation of H2S (1 mM) with hydrogen peroxide-maleic anhydride mixture (1.2 mM) in pH 7 buffer, trapped by a bolus of dimedone and acetamide (5 mM) after 5 min.