1. Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29, Wangjiang Road, Chengdu 610064, P. R. China
2. Department of Radiology, West China Hospital, Sichuan University, No. 37, Guoxue Street, Chengdu 610041, P. R. China
3. Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Department of Chemistry, Xihua University, Chengdu 610039, P. R. China