. 2012 Oct 25;17(11):12636–12641. doi: 10.3390/molecules171112636
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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 HMBC and 1H 1H-COSYcorrelations of 1 and 2.