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. Author manuscript; available in PMC: 2019 Jan 11.
Published in final edited form as: Chem. 2017 Dec 14;4(1):46–93. doi: 10.1016/j.chempr.2017.10.015

Figure 1. Schematic representation of Coulomb’s Law and possible approaches to capturing two or more like-charged anions by means of a synthetic receptor.

Figure 1

(A) Coulomb’s Law: Repulsion and attraction.

(B) Anions constrained in close proximity stabilized by noncovalent interactions.