| (2-Et)-1 | (2-Me)-1 | (2-iPr)-1 | 1 | ||
| 102 × k25 | 248.3 | 128.1 | 124.0 | 117.3 | |
| (2,4,6-Me3)-1 | (2,4,6-Et3)-1 | (2,4,6-iPr3)-1 | 1 | ||
| 102 × k25 | 517.8 | 446.6 | 378.4 | 117.3 |
| (2-Et)-1 | (2-Me)-1 | (2-iPr)-1 | 1 | ||
| 102 × k25 | 248.3 | 128.1 | 124.0 | 117.3 | |
| (2,4,6-Me3)-1 | (2,4,6-Et3)-1 | (2,4,6-iPr3)-1 | 1 | ||
| 102 × k25 | 517.8 | 446.6 | 378.4 | 117.3 |