1. Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People’s Republic of China
2. Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drug Research, Jinan University, Guangzhou 510632, People’s Republic of China
3. Key Laboratory of Standard Material in Natural Medicine of Guangdong Province, Guangzhou Xiangxue Pharmaceutical Ltd. Co., Guangzhou 510663, People’s Republic of China
4. Department of Pharmacology, Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, United States