Li Xin, Xue Jijun, Huang Chusheng, Li Ying
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. of China.
Chem Asian J. 2012 May;7(5):903-6. doi: 10.1002/asia.201101056. Epub 2012 Feb 15.