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1H NMR spectra (600 MHz, D2O), focusing on the axs resonances, of (a) a sample of YbS-SSS-1 with the nitrobenzyl group located on the corner of the macrocycle; (b) the same sample after heating for 336 h at 90 °C and pD1; and (c) a sample of YbS-SSS-1 with the nitrobenzyl substituent located on the side of the macrocycle that was isolated from the synthesis of the sample used in (a) and (b).
