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. 2020 Nov 25;120(24):13480–13544. doi: 10.1021/acs.chemrev.0c00672

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© 2020 American Chemical Society

This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.

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Self-assembly of the urea-functionalized anion hosts constructed from (a) nickel(II)²¹⁴ and (b) zinc(II).²¹⁶ Representative X-ray structures of the host–guest complexes are depicted.