. 2023 Dec 12;15(12):696. doi: 10.3390/toxins15120696
© 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/).
Figure 5.
The chemical structures of compounds 63a–63f.