1. Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education
2. Shenyang Pharmaceutical University
3. Shenyang 110016
4. P. R. China
5. State Key Laboratory of Drug Research
6. CAS Key Laboratory of Receptor Research
7. Drug Discovery and Design Center
8. Shanghai Institute of Materia Medica
9. Chinese Academy of Sciences
10. Shanghai 201203
11. School of Pharmacy
12. China Pharmaceutical University
13. Nanjing 210009