1. Key Laboratory of Drug Targeting & Drug Delivery Systems of the Ministry of Education, West China School of Pharmacy, State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, and State Key Laboratory of Bioorganic & Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 200032, P.R. China, and Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, and Oncological Sciences, University of South Florida, 12902 Magnolia Drive, MRC-4072B, Tampa...