1. Department of Chemistry, Faculty and Graduate School of Sciences, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan, and JST ERATO Lipid Active Structure, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan