. 2009 Sep 29;14(10):3881–3905. doi: 10.3390/molecules14103881
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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 2.
Reduction of N-cyanoethylated derivatives 2 and 3.