Table 6.
Calculated and observed masses of selected peaks of the HRMS spectrum of AM-18. The contents in italics originate from Nuzzo et al. [7] (a) fragments according to the fragmentation scheme by Nuzzo et al.; (b) fragments according to the newly suspected fragmentation scheme.
| m/z Observed | Elemental Composition | Calculated Exact Mass [Da] |
±Da | ±ppm | |
|---|---|---|---|---|---|
| (a) | 1381.7755 | C71H122Na+O24 | 1381.8218 | 0.0463 | 33.506 |
| 1163.6303 | C60H100Na+O20 | 1163.6700 | 0.0397 | 34.116 | |
| 1105.5908 | C57H94Na+O19 | 1105.6282 | 0.0374 | 33.827 | |
| 963.5534 | C47H88Na+O18 | 963.5863 | 0.0329 | 34.143 | |
| 745.4083 | C37H70Na+O13 | 745.4709 | 0.0626 | 83.973 | |
| 687.3693 | C35H68Na+O11 | 687.4654 | 0.0961 | 139.789 | |
| (b) | 745.4083 | C36H66Na+O14 | 745.4345 | 0.0262 | 35.147 |
| 687.3693 | C33H60Na+O13 | 687.3693 | 0.0233 | 33.896 |