A compound is disclosed that has a formula represented by the following:The novel compound of the invention may be prepared as a pharmaceutical composition, and may be useful in the treatment of infectious diseases, in particular bacterial infectious diseases. The compound may be active against a specific enzyme in the bacterial DNA replicative process, DNA polymerase IIIE.本發明揭示由下式代表之化合物:本發明新穎化合物可製備成醫藥組合物,且可用於治療感染性疾病,具體而言是細菌感染性疾病。該化合物具有抵抗細菌DNA複製過程中之特異性酶(DNA聚合酶IIIE)之活性。