Compounds of formula (I) as well as pharmaceutically-acceptable salts and pro-drugs thereof are disclosed wherein R
1
, R
2
, R
3
, and R
4
are defined herein. Also disclosed are processes for making compounds of formula (I) as well as methods of using compounds of formula (I) for treating bacterial infections.
本发明揭示了
化学式(I)的化合物,以及其药学上可接受的盐和前药,其中R1、R2、R3和R4的定义如本文所述。还揭示了制备
化学式(I)的化合物的方法,以及使用
化学式(I)的化合物治疗细菌感染的方法。