Figure 3

HR MS spectra of PSOrn.
(A) Extracted ion chromatogram of PSOrn, with a tolerance of 5 ppm. (B) high resolution mass spectrum of PSOrn (inset is fragmentation pattern of PSOrn); (C) tandem mass (MS2) spectrum of PSOrn.
HR MS spectra of PSOrn.
(A) Extracted ion chromatogram of PSOrn, with a tolerance of 5 ppm. (B) high resolution mass spectrum of PSOrn (inset is fragmentation pattern of PSOrn); (C) tandem mass (MS2) spectrum of PSOrn.