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. 2018 Nov 6;8:16395. doi: 10.1038/s41598-018-34790-0

Figure 2.

Figure 2

1H NMR spectra of Eu(+)-Ex0 (black), Eu(+)-Ex8 (green), Eu(+)-Ex28 (purple), Eu(+)-Ex48 (red), and Eu(+)-Ex98 (blue) in acetone-d6 (Eu(+); 1 × 10−3 M).