1. Department of Chemistry, National Taiwan University, Taipei, Taiwan 106, R.O.C., Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan, R.O.C., National Institute of Cancer Research, National Health Research Institutes, Taipei 114, Taiwan, R.O.C., Division of Hematology/Oncology, Tri-service General Hospital, National Defense Medical Center, Taipei 114, Taiwan, R.O.C., Tsuzuki Institute for Traditional Medicine., College of Pharmacy, China Medical University, Taichung 404,...