1. Department of Chemistry, School of Science, Kwansei Gakuin University, Nishinomiya 662-8501, Japan, Idemitsu Petrochemical Co., Ltd., 1-1, Anesaki-Kaigan, Ichihara 299-0193, Japan, Department of Chemistry, Faculty of Science and Engineering, Saga University, Saga 849-8502, Japan, and The Procter and Gamble Company, Miami Valley Laboratories, PO Box 538707, Cincinnati, Ohio 45253-8707