1. Graduate School of Pharmaceutical Sciences, Osaka University, Yamada-oka 1-6, Suita, Osaka 565-0871, Japan
2. Comprehensive Analysis Centre, SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
3. Tokyo Rikakikai Co. Ltd (Brand: EYELA), TN Koishikawa Bldg. 1-15-17 Koishikawa Bunkyo-ku, Tokyo 112-0002, Japan