* Corresponding authors

^a State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Beijing Key Laboratory of Active Substances Discovery and Drugability Evaluation, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
E-mail: haiyu.hu@imm.ac.cn

^b Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, USA

^c College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, China