1. Corporate Research and Development Division, Takasago International Corporation, 1-4-11 Nishi-Yawata, Hiratsuka, Kanagawa 254-0073, Japan
2. Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan