Ion Species | Measured m/z [M-H]− | Molecular Formula (MFG) [M] | Difference (ppm) | Molecular Formula (Known) [M] |
GS-SE | 503.0537 | C17H20N4O10S2 | 2.20 | C17H20N4O10S2 |
ES | 197.9864 | C7H5NO4S | 1.27 | C7H5NO4S |
GS-SE-ES | 305.0673 (by subtraction) | C10H15N3O6S (by subtraction) | - | C10H17N3O6S |