1. State Key Laboratory of Phytochemistry
and Plant Resources in West China, Kunming Institute of Botany, Chinese
Academy of Sciences, Kunming 650204, China
2. Natural Products Research Laboratories,
UNC Eshelman School of Pharmacy, University of North Carolina, Chapel
Hill, North Carolina 27599-7568, United States
3. Graduate School of the Chinese
Academy of Sciences, Beijing 100039, China
4. State Key Laboratory of Bioorganic
and Natural Products Chemistry, EISU Chemical Biology Division, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai
200032, China
5. UNC Lineberger
Comprehensive
Cancer Center, University of North Carolina, Chapel Hill, North Carolina,
27599-7295, United States United States
6. Chinese Medicine Research and Development
Center, China Medical University and Hospital, 2 Yuh-Der Road, Taichung
40447, Taiwan