1. Department of Natural Products Chemistry, School of Pharmacy; Fudan University; 826 Zhangheng Road 201203 Shanghai P. R. of China
2. Shanghai Institute of Pharmaceutical Industry; China State Institute of Pharmaceutical Industry; 285 Gebaini Road 201203 Shanghai P. R. of China
3. Zhejiang Hisun Pharmaceutical Co.LTD; 46 Waisha Road 318000 Zhejiang P. R. of China