1. School of Food and Bioengineering, Xihua University, Chengdu 610039, P. R. China
2. Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Research and Application of Small Organic Chiral Molecules Key Laboratory of Yibin City, Department of Chemistry, Xihua University, Yibin 644004, China
3. School of Pharmacy, Chengdu Medical College, Chengdu 610500, China
4. School of Science, Xihua University, Chengdu 610039, P. R. China