PROBLEM TO BE SOLVED: To provide a compound useful for treating, preventing and reducing the risk of a microbial infection in human and animals.SOLUTION: The compound is represented by the formula as given below.SELECTED DRAWING: None【課題】ヒトおよび動物における微生物感染症を治療し、予防しかつその危険性を低減させるために有用な化合物の提供。【解決手段】下式で例示される化合物。【選択図】なし