1. Institute of Traditional Chinese Medicine and Natural
Products, College of Pharmacy, Jinan University, Guangzhou 510632, People’s Republic of China
2. School
of Pharmaceutical Sciences, Xiamen University, Xiamen 361005, People’s Republic of China
3. State Key
Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, People’s Republic of China
4. Sanford-Burnham Medical Research Institute, Cancer Center, 10901 N. Torrey Pines Road, La Jolla, California 92037, United States