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Comparison of the 2D ePHOGSY–NOE–TOCSY spectra of MNEI, recorded in diamagnetic (A) and paramagnetic (B) water solutions. NMR spectra were recorded on 2.0 mM samples in an H2O/2H2O (90:10, v.v) solution containing 18.5 mM potassium phosphate, adjusted to pH 2.9, at 35°C. The paramagnetic samples are also 16 mM in TEMPOL. Arrows and labels refer only to signals that are unambiguously assigned.
