. 2017 Oct 11;22(10):1698. doi: 10.3390/molecules22101698
© 2017 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 6.
The structures of compounds 52, 64–79.