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. 2023 Jan 11;28(2):728. doi: 10.3390/molecules28020728

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© 2023 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 (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Map of the Gibbs free energies for all located minima for C₄H₅NO. I: 5-membered heterocycles; II: 6-membered heterocycles; III: 4-membered heterocycles; IV: saturated 3-membered heterocycles; V: unsaturated 3-membered heterocycles; VI: bicycles; VII: acyclic nitriles; VIII: conjugated trienes; IX: acetylenes; X: allenes; XI: acyclic isonitriles; XII: carbenes; XIII: bipolar compounds; XIV: molecular associates.