| NMR data position | 1 | Ref. data | ||
| δC | δH (J in Hz) | δC | δH (J in Hz) | |
| 1 | 158.3 |
| 158.3 |
|
| 2 | 108.3 |
| 108.3 |
|
| 3 | 174.4 |
| 174.3 |
|
| 4 | 105.5 | 6.55 (brs) | 105.5 | 6.55 (d, 2.1) |
| 5 | 152.1 |
| 152.2 |
|
| 6 | 105.3 | 6.37 (brs) | 105.3 | 6.37 (d, 2.1) |
| 7 | 190.4 |
| 190.0 |
|
| 8 | 89.5 |
| 84.0 |
|
| 9 | 138.2 |
| 138.2 |
|
| 10 | 137.1 | 7.11 (d, 2.0) | 137.1 | 7.10 (d, 1.2) |
| 11 | 185.7 |
| 185.7 |
|
| 12 | 104.0 | 5.77 (brs) | 103.9 | 5.77 (d, 1.2) |
| 13 | 169.4 |
| 169.4 |
|
| 14 | 23.2 | 2.44 (s) | 23.2 | 2.44 (s) |
| 15 | 56.1 | 3.95 (s) | 56.1 | 3.95 (s) |
| 16 | 163.5 |
| 163.5 |
|
| 17 | 56.7 | 3.66 (s) | 56.7 | 3.66 (s) |
| 18 | 52.8 | 3.69 (s) | 52.8 | 3.69 (s) |