FIG. 3.
Negative-ion nanoelectrospray MSn spectra of the lipid A from F. tularensis strain 1547-57. (A) MS/MS of m/z 1,665.2. (B) MS3 of m/z 1,408.9. (C) MS3 of m/z 1,203.9. (D) MS3 of m/z 947.8.
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