Institution: | 1. Department of Natural Products Chemistry, School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan 250012, P.?R. China, (phone: +86‐531‐88382019;2. fax: +86‐531‐88382019);3. Present address: School of Chemical Engineering, Shandong Institute of Light Industry, Jinan 250353, P.?R. China.;4. Department of Biochemistry and Molecular Biology, School of Medicine, Shandong University, 44 West Wenhua Road, Jinan 250012, P.?R. China |