Xu Xianxiu, Liu Yu, Park Cheol-Min
Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
Angew Chem Int Ed Engl. 2012 Sep 10;51(37):9372-6. doi: 10.1002/anie.201204970. Epub 2012 Aug 21.