The present invention relates to compounds useful for the treatment or prevention of bacteria infections. These compounds have formula I:The invention also provides pharmaceutically acceptable compositions containing the compounds and methods of using the compositions in the treatment of bacteria infections. Finally, the invention provides processes for making compounds of the invention.本發明係關於適用於治療或預防細菌感染之化合物。此等化合物具有式I:本發明亦提供含有該等化合物之醫藥學上可接受之組合物及使用該等組合物治療細菌感染之方法。最後,本發明提供製備本發明化合物之方法。