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. 2023 Jul 5;13(13):2013. doi: 10.3390/nano13132013

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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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Flow system used in the Knoevenagel condensation between benzaldehyde and malononitrile in the presence of Cat-500. Copyright © 2021, Royal Society of Chemistry [134].