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. 2014 Mar 21;19(3):3489–3507. doi: 10.3390/molecules19033489

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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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(a) Tautomerism of hispidin to isohispidin; (b) tautomerism chemical profiles in gas and solvent; and (c) tautomerism chemical profile in hybrid model (PCM + one assisted solvent molecule).