Affiliation: | 1. Department of Synthetic Natural Products Chemistry, School of Pharmacy, Kitasato University, Minato-ku, Tokyo, Japan;2. Department of Microbial Chemistry, School of Pharmacy, Kitasato University, Minato-ku, Tokyo, Japan;3. School of Pharmacy, Kitasato University, Minato-ku, Tokyo, Japan;4. Kitasato Institute for Life Sciences and Graduate School of Infection Control Sciences, Kitasato University, Minato-ku, Tokyo, Japan |