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. Author manuscript; available in PMC: 2021 Jan 19.
Published in final edited form as: J Am Chem Soc. 2008 Aug 21;130(37):12328–12333. doi: 10.1021/ja8038079

Figure 1.

Figure 1.

Structures of ligand 1, chiral receptors [CuII((R,R)-1)]2+ and [CuII((S,S)-1)]2+, ligand 2, chiral receptors [CuII((R,R)-2)]2+ and [CuII((S,S)-2)]2+, and indicator chrome azurol S (CAS).