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. Author manuscript; available in PMC: 2012 Feb 24.
Published in final edited form as: J Am Soc Mass Spectrom. 2011 Jul 13;22(9):1534–1551. doi: 10.1007/s13361-011-0185-x

Figure 4.

Figure 4

Product ion spectra of [M – H]− ions of m/z 325.3 corresponding to 15NO2-LA. (A) 9-15NO2-LA, (B) 10-15NO2-LA, (C) 12-15NO2-LA, (D) 13-15NO2-LA recorded at a collision energy setting of 35 eV using a hybrid FT mass spectrometer