| atom | 1* | pyroclavine [18] * | ||
| δC | δH (J in Hz) | δC | δH (J in Hz) | |
| 2 | 120.28 | 7.04 (d, 1.4) | 120.29 | 7.03 (d, 1.5) |
| 3 | 108.12 |
| 108.10 |
|
| 4a | 25.52 | 3.00 (ddd, 13.8, 11.7, 1.4) | 25.55 | 2.99 (ddd, 14.0, 11.6, 1.7) |
| 4b | 3.70 (dd, 14.4, 4.8) | 3.69 (dd, 14.2, 4.5) | ||
| 5b | 69.83 | 3.28 (td, 11.0, 4.1) | 69.84 | 3.30 (td, 11.0, 4.5) |
| 7a | 62.83 | 3.51 (dt, 13.1, 2.1) | 62.86 | 3.51 (dt, 12.8, 1.5) |
| 7b | 3.43 (dd, 12.4, 4.1) | 3.41 (dd, 12.8, 3.9) | ||
| 8b | 28.12 | 2.50 m | 28.12 | 2.49 m |
| 9a | 32.71 | 2.63 (dddd, 13.8, 3.4, 2.8, 1.4) | 32.72 | 2.63 (ddt, 13.7, 3.6, 2.1) |
| 9b | 1.91 (td, 13.8, 4.8) | 1.91 (td, 13.1, 4.9) | ||
| 10a | 35.54 | 3.41 (td, 11.7, 4.1) | 35.56 | 3.41 (dt, 4.2, 11.6) |
| 11 | 130.43 |
| 130.42 |
|
| 12 | 113.95 | 6.91 (d, 7.6) | 113.95 | 6.90 (dd, 7.2, 0.8) |
| 13 | 123.88 | 7.12 (dd, 8.3, 7.6) | 123.89 | 7.11 (dd, 8.2, 7.2) |
| 14 | 110.64 | 7.21 (d, 8.3) | 110.65 | 7.20 (d, 8.2) |
| 15 | 135.09 |
| 135.07 |
|
| 16 | 126.81 |
| 126.81 |
|
| 17 | 17.33 | 1.38 (d, 7.6) | 17.29 | 1.37 (d, 7.5) |
| 18 | 42.46 | 3.06 s | 42.46 | 3.07 s |