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