. 2023 Oct 10;11(10):2739. doi: 10.3390/biomedicines11102739
© 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 8.
SAR studies of derivatives 4a, 4d, and 4h.