. 2021 Feb 9;26(4):919. doi: 10.3390/molecules26040919
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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/).
Scheme 4.
Passerini adduct 7a treated in basic media.