1. Department of Medicinal Chemistry; Key Laboratory of Chemical Biology (Ministry of Education); School of Pharmaceutical Sciences; Shandong University; 44 West Culture Road Jinan Shandong 250012 China
2. Institute of Pharmacology; School of Medicine; Shandong University; 44 West Culture Road Jinan Shandong 250012 China
3. Rega Institute for Medical Research; K.U. Leuven; Minderbroedersstraat 10 B-3000 Leuven Belgium