. 2008 Sep 25;13(9):2260–2302. doi: 10.3390/molecules13092260
© 2008 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/).
Scheme 3.
Some intermediates of SP and MC interconversions.