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. Author manuscript; available in PMC: 2023 Nov 24.
Published in final edited form as: J Am Chem Soc. 2018 Mar 13;140(11):4092–4099. doi: 10.1021/jacs.8b00196

Figure 2.

Figure 2.

Anionic and cationic deep-cavity cavitands: the octacarboxylate 1 (counterion = Na+) and the octatrimethylammonium host 2 (positand, counterion = Cl−). In 2, the two principal anion binding sites are shown (cavity and crown).