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. 2014 Feb 14;7(2):1201–1220. doi: 10.3390/ma7021201

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© 2014 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 9. — The ¹⁵N NMR spectra of 8 (20 mM) under various conditions: (a) in D₂O; (b) in a 1.0 M NaOD·D₂O solution; (c–e) in a mixed solvent (100 mM CHES buffer, pH 10.0/DMSO-d₆ = 3/1, v/v); (c) without D-fructose; (d) in the presence of 0.10 M D-fructose; and (e) in the presence of 1.0 M D-fructose. The ¹⁵N-frequency (0 ppm) is 81.07646745 MHz. Reprinted with permission from [66]. Copyright 2010 The Chemical Society of Japan.