. 2014 Aug 19;19(8):12559–12576. doi: 10.3390/molecules190812559
© 2014 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open ccess article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Figure 1.
The structure of evaluated compounds 1–12.