1. Engineering Research Center of Coptis Development and Utilization Ministry of Education College of Pharmaceutical Sciences Southwest University 2 Tiansheng Road 400715 Chongqing P. R. China
2. State Key Laboratory of Chemical Oncogenomics Guangdong Provincial Key Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School 2199 Lishui Road, Room F312, Nanshan District 518055 Shenzhen P. R. China
3. State Key Laboratory of Medicinal Chemical Biology Nankai University No. 94 Wei Jin Road 300071 Tianjin P. R. China