. 2023 Jun 13;28(12):4735. doi: 10.3390/molecules28124735
© 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 4.
The IR spectra of raw and recrystallized PYX.