1. School
of Pharmaceutical Sciences, Chongqing University, Chongqing 400030, China
2. Department
of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
3. School
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, China
4. Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, Illinois 60637, United States