Affiliation: | 1. Department of Chemistry and Bioactivity of Traditional Chinese Medicine, School of Pharmacy, Shanghai Jiao Tong University, 800 DongChuan Road, Shanghai 200240, P.?R. China, (phone: +86‐21‐34205989;2. fax: 86‐21‐34205989);3. Department of Natural Product Chemistry, School of Pharmacy, Second Military Medical University, 325 GuoHe Road, Shanghai 200433, P.?R. China |