1. Research Institute for Science & Technology; Tokyo University of Science; 2641 Yamazaki Noda Chiba 278-8510 Japan
2. Akihisa Medical Clinic; 1086-3 Kamo Sanda-shi Hyogo 669-1311 Japan
3. College of Science and Technology; Nihon University; 1-8-14 Kanda Surugadai Chiyoda-ku, Tokyo 101-8308 Japan
4. Department of Natural Medicine Chemistry; China Pharmaceutical University; 24 Tongjiaxiang Nanjing 210009 P. R. China
5. Osaka University of Pharmaceutical Sciences; 4-20-1 Nasahara Takatsuki-shi, Osaka 569-1094 Japan
6. Faculty of Pharmaceutical Sciences; Toho University; 2-2-1 Miyama Funabashi-shi, Chiba 274-8510 Japan