Wang Chao, Wang Guangtong, Wang Zhiqiang, Zhang Xi
Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, PR China.
Chemistry. 2011 Mar 14;17(12):3322-5. doi: 10.1002/chem.201003502. Epub 2011 Feb 21.