1. College of Pharmacy, Tongji Medical Center, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China, Laboratory of Traditional Chinese Medicine and Marine Drugs, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510275, People's Republic of China, and Shanghai Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, People's Republic of China