. 2014 Oct 30;19(11):17619–17631. doi: 10.3390/molecules191117619
© 2014 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 license (http://creativecommons.org/licenses/by/4.0/).
Figure 3.
Key ROESY (H↔C) correlations of compounds 1–5.