1. School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
2. Institute of Innovative Drugs, Qingdao University, #38 Dengzhou Road, Qingdao 266021, China
3. College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China