1. Department of Process Research and Development, HEC Pharm Group, Dongguan, People's Republic of China
2. School of Biology and Biological Engineering, South China University of Technology, Guangzhou, People's Republic of China
3. State Key Laboratory of Anti-Infective Drug Development, Sunshine Lake Pharma Co., Ltd., Dongguan, People's Republic of China
4. School of Pharmacy, Xiangnan University, Chenzhou, People's Republic of China