Bi-Hu Gao1*, and Qing-Gao Zhang2*
1 Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, 116001, China;
2 Chronic Disease Research Center, Natural products provincial key innovation center,Medical College, Dalian University, Dalian, Liaoning, 116622, China;
3 Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong SAR, 999077, China;
4 Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin, 133002, China.
*Corresponding authors:
E-mail addresses: zhangqinggao@dlu.edu.cn(Qing-Gao Zhang); gaobihu@126.com (Bi-Hu Gao).
# These authors contributed equally to this work.