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1H (500 MHz) and 13C (125 MHz) NMR spectral data of compound 1 in CD3OD.
| No | δ H (J in Hz) | δ C, type | No | δ H (J in Hz) | δ C, type |
|---|---|---|---|---|---|
| 2 | — | 178.5, C | 10 | 5.25, q (7.0) | 76.4, CH |
| 3 | 2.48, s | 42.6, CH | 11 | 1.22, d (7.0) | 12.4, CH3 |
| 4 | 3.80, d (10.5) | 82.5, CH | 12 | 1.51, s | 25.2, CH3 |
| 5 | — | 86.6, C | 13 | 1.76, s | 12.7, CH3 |
| 6 | 5.92, d (15.5) | 133.3, CH | 14 | 1.34, d (6.5) | 19.4, CH3 |
| 7 | 6.48, dd (15.5, 10.5) | 126.4, CH | 1′ | — | 172.2, C |
| 8 | 6.10, d (10.5) | 126.1, CH | 2′ | 2.03, s | 21.1, CH3 |
| 9 | — | 139.2, C | — | — | — |
