Skip to main content
. Author manuscript; available in PMC: 2009 Feb 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 May 23;19(2):209–218. doi: 10.1016/j.jasms.2007.05.009

Figure 2.

Figure 2

ESI-mass spectra for solutions containing benzoxazole ligands and metal ions: (a) 8 and Mg2+, (b) 9 and Mg2+, (c) 8 and Cu2+, and (d) 9 and Cu2+. Solutions contained a ligand and metal salt at equimolar (10 μM) concentrations in 50 mM ammonium acetate solutions with 50% methanol.