. 2013 Feb 13;8(2):e56475. doi: 10.1371/journal.pone.0056475
© 2013 Wu et al
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
Figure 7. Synthesis of compound 28.
