. 2012 Sep 12;13(9):11349–11364. doi: 10.3390/ijms130911349
© 2012 by the authors; licensee Molecular Diversity Preservation International, 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/3.0/).
Figure 1.
Chemical structures of the compounds (1–11).