1. School
of Pharmaceutical Sciences, College of Medical, Pharmaceutical and
Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
2. Natural
Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7568, United States
3. NIH Special
Volunteer, Wayne, Pennsylvania 19087, United States
4. Natural
Products Branch, Developmental Therapeutics Program, Division of Cancer
Treatment and Diagnosis, National Cancer Institute, NCI at Frederick, Frederick, Maryland 21702-1201, United States
5. Chinese
Medicine Research and Development Center, China Medical University and Hospital, 2 Yuh-Der Road, Taichung, 40447, Taiwan