1. Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan, InterMed Discovery GmbH, BioMedizinZentrum Dortmund, Otto-Hahn-Strasse 15, D-44227 Dortmund, Germany, Las Muros, F-09420 Rimont, Ariége, France, and Faculty of Chemistry, Hanoi University of Education, 136 Xuan Thuy Road, Cau Giay, Hanoi, Vietnam