1. Department of Natural Medicinal Chemistry
2. China Pharmaceutical University
3. Nanjing
4. People's Republic of China
5. The Joint Laboratory of China Pharmaceutical University and Taian City Central Hospital
6. Taian City Central Hospital
7. Taian
8. China
9. Taian City institute of Digestive Disease
10. Pharmaceutical Department
11. Department of Pharmaceutical Analysis
12. Key Laboratory of Drug Quality Control and Pharmacovigilance
13. Jiangsu Food and Pharmaceutical Science College