A compound of formula (I)
or a pharmaceutically acceptable derivative thereof, having antimicrobial activity, processes for their preparation, compositions containing them and to their use in medicine.
化合物公式为(I)或其药学上可接受的衍
生物,具有抗微
生物活性,其制备过程,含有它们的组合物以及它们在医学上的使用。