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. Author manuscript; available in PMC: 2014 Feb 28.
Published in final edited form as: J Am Soc Mass Spectrom. 2011 Oct 5;22(12):2160–2170. doi: 10.1007/s13361-011-0240-7

Figure 1.

Figure 1

The ESI-MS spectra of the [M + Na]+ ions of TMM (a) and of TDM (b). These profiles are similar to their [M + CH3CO2]− adduct ions (see supplemental material Figure S1).