. 2021 Feb 26;13(3):304. doi: 10.3390/pharmaceutics13030304
© 2021 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 (http://creativecommons.org/licenses/by/4.0/).
Figure 1.
Synthesis of HAcys and HAssHSA conjugate.