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1H and 13C-NMR, 1H-1H COSY, gHMBC data of 1 (600 MHz, CDCl3).
| No | δH(Multi, J/Hz) | δC(DEPT) | 1H-1H COSY | gHMBC |
|---|---|---|---|---|
| 1 | 180.1 (s) | |||
| 2 | 159.4 (s) | |||
| 3 | 131.6 (s) | |||
| 4 | 186.8 (s) | |||
| 4a | 106.1 (s) | |||
| 5 | 160.3 (s) | |||
| 6 | 6.48 (1H,s) | 104.3 (d) | 5,7,4a,8 | |
| 7 | 155.4 (s) | |||
| 8 | 139.9 (s) | |||
| 8a | 107.5 (s) | |||
| 9 | 3.97 (3H,s) | 56.4 (q) | 7 | |
| 10 | 2.09 (3H,s) | 8.8 (q) | 6,2 | |
| 11 | 4.07 (3H,s) | 61.0 (q) | 2 | |
| 5-OH | 14.41 (brs) | 4,4a |
