1st Laboratory, Medicinal Research Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Ohmiya, Saitama 330-8530, Japan, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan, and Department of Biological Sciences, Kyoto University Faculty of Medicine, Sakyo, Kyoto 606-8501, Japan(2000-11-22時点)
