1. Department of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510000, People’s Republic of China
2. State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, People’s Republic of China
3. Department of Pharmacy, Nankai University, Tianjin 300071, People’s Republic of China
4. Department of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China