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. Author manuscript; available in PMC: 2010 Mar 18.
Published in final edited form as: J Am Chem Soc. 2009 Mar 18;131(10):3487–3489. doi: 10.1021/ja809788x

Figure 2.

Figure 2

ESI-MS spectra of dynamic ligand exchange between (a) supramolecular rectangles (5a and 5b), (b) supramolecular triangles (6a and 6b), and (c) both rectangle 5a and triangle 6b recorded at different time intervals (d: day).