1. Laboratory of Medicinal Chemistry, Department of Chemistry and Life Science, School of Advanced Engineering, Kogakuin University, 2665-1 Nakano-machi, Hachi-oji, Tokyo 192-0015, Japan
2. Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
3. Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
4. National Institute for Longevity Sciences, National Center for Geriatrics and Gerontology, 36-3 Gengo, Morioka, Obu, Aichi 474-8522, Japan