Table 2. 3JH-H coupling constants of IdoA, IdoA2S and IdoA2S* residues of octasaccharides A and B measured in buffer solution.
| 3JH-H (Hz) | Octasaccharide A | Octasaccharide B | 
|---|---|---|
| IdoA | ||
| 3JH1-H2 | 1.9 | |
| 3JH4-H5 | 2.5 | |
| IdoA2S* | ||
| 3JH1-H2 | 3.4 | 3.8 | 
| 3JH4-H5 | 3.1 | 3.1 | 
| IdoA2S | ||
| 3JH1-H2 | 3.0 | |
| 3JH4-H5 | 2.8 |