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Aliphatic region overlap of 1H-, 13C-HSQC-NMR spectra of DOTA-C21 (red (CH2) and purple (CH/CH3)) and Ga-DOTA-C21 (green (CH2) and blue (CH/CH3)). All the spectra were acquired in MeOD-d4 at 25 °C ([DOTA-C21] = 0.63 mM). Atom numbering refers to Figures 11 and 12.
