Zhang Qing-Wei, Xiang Kai, Tu Yong-Qiang, Zhang Shu-Yu, Zhang Xiao-Ming, Zhao Yu-Ming, Zhang Tian-Cai
State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou 730000, P. R. China.
Chem Asian J. 2012 May;7(5):894-8. doi: 10.1002/asia.201101029. Epub 2012 Mar 1.