Liu Yu, Yu Lu, Chen Yong, Zhao Yan-Li, Yang Hua
Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China.
J Am Chem Soc. 2007 Sep 5;129(35):10656-7. doi: 10.1021/ja073882b. Epub 2007 Aug 11.