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. 2021 Aug 31;26(17):5278. doi: 10.3390/molecules26175278

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© 2021 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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Scheme 9 — Formation of the organic products of PA photochemistry in water and ice from ketyl and acetyl radical intermediates identified by Guzman et al. [5,80,82].