1. Department
of Medicinal Chemistry, College of Pharmaceutical Science, Soochow University, 199 Ren Ai Road, Suzhou 215123, P. R. China
2. Jiangsu
Key Laboratory of Translational Research and Therapy for Neuro-psycho-diseases,
Department of Pharmacology, College of Pharmaceutical Sciences, and
Jiangsu Key Laboratory of Preventive and Translational Medicine for
Geriatric Diseases, Soochow University, Suzhou 215123, P. R. China
3. Department
of Chemistry, Jess and Mildred Fisher College of Science and Mathematics, Towson University, 8000 York Road, Towson, Maryland 21252, United States