Geyer Florian L, Ueda Erica, Liebel Urban, Grau Nicole, Levkin Pavel A
Institute of Toxicology and Genetics, Karlsruhe Institute of Technology, Germany.
Angew Chem Int Ed Engl. 2011 Aug 29;50(36):8424-7. doi: 10.1002/anie.201102545. Epub 2011 Jul 12.