Research Article

Preliminary Analysis of the Glycolipid Profile in Secondary Brain Tumors

Table 3

Assignment of fragmentation ions obtained in MS2 from the precursor ion [M-H+]- at m/z 1407.710.

Fragment no.m/zAssignment of the fragmentation ions

11363.722[M-H+]-/CO2
21389.702[M-H+]-/H2O
31227.648Z3α
41245.659Y3α
5364.125B2α
6249.061B1β