. 2025 May 19;17(5):666. doi: 10.3390/pharmaceutics17050666
© 2025 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.

Chemical formula for lysine.