1. State Key Laboratory of Pharmaceutical Biotechnology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, School of Life Sciences, Nanjing University, Nanjing, 210023P. R. China
2. Central Laboratory, Nanjing Integrated Traditional Chinese & Western Medicine Hospital Affiliated with Nanjing University of Chinese Medicine, Nanjing, 210014P. R. China
3. College of Chemistry & Environmental Science, Inner Mongolia Normal University, Hohhot, 010022P. R. China
4. Chemistry Department, Ulaanbaatar State University, Bayanzurkh district, Ulaanbaatar, Mongolia
5. School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan, 430074P. R. China