Li Qiankun, Fu Chunling, Ma Shengming
Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
Angew Chem Int Ed Engl. 2012 Nov 19;51(47):11783-6. doi: 10.1002/anie.201204346. Epub 2012 Oct 10.