Figure 5. Metabolite purification and detection for NMR
analysis.
Panel (A) is an extracted ion chromatogram of IVM, M1, and M3 during the
preparation chromatography, and UV chromatogram at 240nm for the
trapping experiment (the dotted lines indicate the start and end of the
trapping procedure, (B) is a mass spectrum from the peaks in the
extracted ion chromatogram showed that the molecules form stable sodium
adducts.