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. Author manuscript; available in PMC: 2006 Jan 20.
Published in final edited form as: J Am Chem Soc. 2003 Feb 26;125(8):2319–2327. doi: 10.1021/ja021202t

Figure 1.

Figure 1

Representative mass spectra of DAB-16 (50 μM) electrosprayed from solutions of (a) water, (b) 99% water/1% m-NBA, (c) methanol, (d) 95% methanol/5% m-NBA, (e) 2-propanol, and (f) acetic acid. Singly charged ions (at m/z 1688) were detected only in spectrum (e) at 4% relative abundance.