. 2008 Oct 15;13(10):2500–2508. doi: 10.3390/molecules13102500
© 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/).
Figure 2.
Key COSY (
) and HMBC (→) correlations of 1.