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. 2004 Aug 10;382(Pt 1):269–278. doi: 10.1042/BJ20031851

Figure 4. 1H-NMR spectra of CS-A and CS derivatives.

Figure 4

(a) Intact CS-A, (b) partially O-sulphated CS-A, (c) fully O-sulphated CS-A, (d) de-O-sulphated CS-A recorded in 2H2O at 333 K (or 60 °C). The letters in the spectra refer to the corresponding residues in the structures. Assignments were determined using 2D NMR [27].