1. State Key Laboratory of Drug Research & Center of Pharmaceutics; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 501 Haike Road Shanghai 201203 China
2. School of Pharmacy; University of Chinese Academy of Sciences; 19 Yuquan Road Beijing 100049 China
3. School of Pharmacy; Yantai University; 30 Qingquan Road Yantai 264005 China