. 2012 Jul-Aug;74(4):339–347. doi: 10.4103/0250-474X.107067
Copyright: © Indian Journal of Pharmaceutical Sciences
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 2.
Structure of compounds 1-4