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. 2023 Mar 31;13(4):920. doi: 10.3390/life13040920

Figure 4.

Figure 4

H-coupled 31P-NMR of phosphorylation and phosphonylation reactions of glycerol (sample D). The labeled peaks correspond to the following P compounds: (a) phosphite, (b) phosphate, (l) glycerol-1-phosphite, (m) glycerol-1-phosphate, (n) glycerol-2-phosphite, and (o) glycerol-2-phosphate. The figure also shows the enlarged peaks from 2.8 to 8.4 ppm.