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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
1H-NMR spectra of β-CD, HP-β CD, β- and HP-β-CD EPI polymers. Inset: A: β-CD monomer glucose unit chemical structure; B: HP-β-CD spacer arm; C: Possible ways to open oxyrane ring by OH groups.