1. Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
2. Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China
3. Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Department of Chemistry, Xihua University, Chengdu, Sichuan 610039, P. R. China