1. Research Center for Marine Drugs, School of Pharmacy, Second Military Medical University, 325 Guo-He Road, Shanghai 200433, People's Republic of Chine, Postdoctoral Station of Biology, Tsinghua University, Beijing 100084, People's Republic of China, Postdoctoral Research Workstation of RITS, Shenzhen 518057, People's Republic of China, State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai lnstitute of Organic Chemistry, Chinese Academy of Science, 354 Feng-Lin Road, Shanghai 200032...