| Aliphatic methyl group |
0.8-0.9 ppm |
| Aromatic methyl group |
2.3-2.4 ppm
(solvent-dependent) |
| Methylene groups |
1.2-1.4 ppm |
Aromatics ring 1H
(ortho to SO2) |
7.72-7.86 ppm
(solvent-dependent) |
Aromatics ring 1H
(meta to SO2) |
7.08-7.15 ppm
(solvent-dependent) |
| NH (adj. to SO2) |
exchangeable |
| Other NH |
exchangeable |
