. 2024 Jun 7;29(12):2723. doi: 10.3390/molecules29122723
© 2024 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 3.
Key 1H–1H NOESY (
) of compounds 1, 2, 5, and 7.