. 2015 Jul 23;20(8):13496–13517. doi: 10.3390/molecules200813496
© 2015 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 6.
Structures of imidazo-indole carbazoles 17–19.