abstract |
(57) [Summary] [Object] To find a novel compound having an antibacterial action from microorganisms isolated from the natural world. SOLUTION: Formula [Formula 3] (Wherein, R 1 is a methyl group or an ethyl group, and R 2 and R 3 is a hydrogen atom or a chlorine atom, respectively, and R 4 is a hydrogen atom or a methyl group. Antibacterial agent represented by). |