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