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. 2021 Jul 20;27(48):12395–12409. doi: 10.1002/chem.202101674

Table 2.

3JHH and experimental internal distances for the characterization of the iduronate conformations.

3 JHH

4

5

9

H1‐H2 (Hz)

4.6

5.6

H2‐H3 (Hz)

7.7

2.3

9.9

H3‐H4 (Hz)

5.7

2.3

6.0

H4‐H5 (Hz)

3.8

2.8

d H2‐H5 (A)

2.74

nd

2.83