. 2018 Dec 19;23(12):3369. doi: 10.3390/molecules23123369
© 2018 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 2.
Design strategy based on compound 5 and 6.