. 2009 Apr 17;14(4):1578–1584. doi: 10.3390/molecules14041578
© 2009 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.
HMBC correlations of compounds 1 and 2.