Fig. 6

Comparison of metal ion selectivity S in Ln2L33 and Ln4L14 complexes. S, defined as [Lnb(III)]/[Lna(III)] and determined by 1H NMR spectroscopy
Comparison of metal ion selectivity S in Ln2L33 and Ln4L14 complexes. S, defined as [Lnb(III)]/[Lna(III)] and determined by 1H NMR spectroscopy