1. Department of Chemistry; Tokyo Metropolitan University; 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
2. The Petroleum and Petrochemical College; Chulalongkorn University; Bangkok 10330 Thailand
3. Korea Institute of Industrial Technology; 1271-18, Sa-3-Dong, Sangnok-Gu; Ansan-Si Gyeonggi-Do 426-910 Republic of Korea