Lenevich Stepan, Xu Juhua, Hosokawa Ayako, Cramer Christopher J, Distefano Mark D
Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, USA.
J Am Chem Soc. 2007 May 9;129(18):5796-7. doi: 10.1021/ja069119j. Epub 2007 Apr 17.