The invention relates to novel amino or acylamino-substituted pyrimidinyl cephalosporanic acid derivatives and pharmaceutically acceptable salts thereof, of antibacterial activity, to processes for the preparation thereof, and to pharmaceutical compositions comprising the novel cephalosporanic acid derivatives.
本发明涉及一种新型
氨基或酰胺基取代的
嘧啶基
头孢菌素酸衍
生物及其相应的药物可接受盐,具有抗菌活性,以及其制备方法和包括新型
头孢菌素酸衍
生物的制药组合物。