. 2024 Oct 31;13(11):1338. doi: 10.3390/antiox13111338
© 2024 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/).
Figure 1.
The chemical structures of compounds 1–9.