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. 2021 May 10;12(21):7269–7293. doi: 10.1039/d1sc01226f

Fig. 25. (a) Ligand conformers 54a–c assemble with CuII cations to a library of cage isomers [(Cu)2544]; (b) crystallization conditions allow selection of specific conformers which (c) show different CO2 uptake characteristics and can be reversibly converted into (d) dinuclear rings by pyridine addition.

Fig. 25