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. 2014 Jun 23;12(6):3706–3732. doi: 10.3390/md12063706

Figure 2.

Figure 2

(A,B) Chromatograms; (C,D) MS2 product scans; and (G,I) assigned formulae and mass accuracy measurements (Δ in ppm) of the precursor ions and the diagnostic product ions of SPX-1 and PnTX-G in the reference standard materials (A,C,G) and sample MUS120523 (B,D,I).