. 2012 Nov 9;17(11):13376–13389. doi: 10.3390/molecules171113376
© 2012 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/3.0/).
Scheme 1.
Synthesis of endo-S-c-di-GMP analogues (2–5).