1. School of Pharmaceutical Sciences, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan, School of Pharmacy, Fundan University, 138 Yi Xue Yuan Road, Shanghai 200032, People's Republic of China (PRC), Laboratory of Phytochemistry, Kunming Institute of Botany, Academia Sinica, Kunming 650204, Yunnan, PRC, and Division of Molecular Biology and Therapeutics, Research Center for Pathogenic Fungi and Microbial Toxicoses (RCPFMT), Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8673, Japan