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. Author manuscript; available in PMC: 2016 Dec 2.
Published in final edited form as: J Am Chem Soc. 2015 Nov 19;137(47):14959–14967. doi: 10.1021/jacs.5b08767

Figure 6.

Figure 6

1H NMR spectra (CDCl3) of receptors 1a–g near the saturation point with Cl−. The peak showing the largest shift between 8.8 and 10.0 ppm is that of aryl proton Hc. Peak assignment refers to Scheme 1.