1. Entropy Control Project, ICORP, JST, 4-6-3 Kamishinden, Toyonaka-shi, Osaka 560-0085, Japan, Kobe Pharmaceutical University, 4-19-1 Motoyamakita-machi, Higashinada-ku, Kobe 658-8558, Japan, and Department of Applied Chemistry, Kansai University, Suita, Osaka 564-8680, Japan