1. School of Pharmacy & State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 730000, P. R. China
2. Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, P. R. China
3. School of Biotechnology and Health Science, Wuyi University, Jiangmen 529020, P. R. China