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1H and 13C NMR chemical shifts (in ppm) and proton coupling constants (Hz, in parentheses) of Gadusol isolated from the terrestrial green alga Klebsormidium crenulatum.
| N | 13C | 1H |
| 1 | 184.6 | – |
| 2 | 136.2 | – |
| 3 | 136.2 | – |
| 4 | 43.4 | a) 2.74, dd (17.4; 2.8), |
| b) 2.44, dd (17.4; 2.8) | ||
| 5 | 78.3 | – |
| 6 | 75.1 | 4.30, s |
| 7 | 68.0 | a) 3.67, d (11.7), |
| b) 3.56, d (11.7) | ||
| 8 | 62.4 | 3.53, s |
