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. Author manuscript; available in PMC: 2008 Oct 6.
Published in final edited form as: J Am Chem Soc. 2006 Oct 18;128(41):13497–13507. doi: 10.1021/ja063567+

Figure 5.

Figure 5

1H NMR (500 MHz, chloroform-d, LB = 1 Hz) spectra for nitroxide tetraradical 1 (top) and diradical 2 (bottom). Inset plot: LB = 10 Hz. The singlets at 7.26 ppm and ~1.5 ppm correspond to the residual non-deuterated chloroform and water peaks. The other sharp, relatively weak peaks are assigned to diamagnetic impurities.