The present invention relates to a compound of formula (I): or a pharmaceutically acceptable salt thereof wherein X and R are as defined herein. The compounds of formula (I) are useful as gyrase and/or topoisomerase IV inhibitors for treating bacterial infections. The compounds of formula (I) either possess a broad range of anti¬ bacterial activity and advantageous toxicological properties or are prodrugs of compounds having said activity.
本发明涉及一种公式(I)的化合物或其药学上可接受的盐,其中X和R如本文所定义。公式(I)的化合物对于治疗细菌感染作为陀螺酶和/或拓扑异构酶IV
抑制剂是有用的。公式(I)的化合物具有广泛的抗菌活性和优良的毒理学特性,或者是具有该活性的化合物的前药。