1. College
of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
2. Central
Research Laboratories, Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
3. Department
of Chemical Science and Technology, Hosei University, Kajino-cho
3-7-2, Koganei, Tokyo 184-8584, Japan
4. Research
Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan