1. Pharmacological Institute of New Drugs, School of Pharmacy, Shandong University, 44 Wen Hua Xi Road, Jinan, China.
2. Institute of Biochemical and Biotechnological Drugs, School of Pharmacy, Shandong University, 44 Wen Hua Xi Road, Jinan, China.
3. Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P.R. China.