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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2014 Mar 25;25(7):1167–1176. doi: 10.1007/s13361-014-0848-5

Figure 2.

Figure 2

Fraction of [(a3-X)+w2] ions in the MS/MS of the ESI-produced [M-2H]2− ions of d(TTXTT), where ‘X’ = dA, dT, dC, dG, O2-EtdT, N3-EtdT, O4-EtdT (a), and dA, dT, dC, dG, O2-MedT, O2-iPrdT and O2-iBudT (b).