The present invention relates to novel cephalosporin compounds, pharmaceutically acceptable non-toxic salts, physiologically hydrolyzable esters, hydrates and solvates and isomers thereof which possess potent and broad antibacterial activities. The compounds of the present invention have a (1,5,6-substituted-4-aminopyrimidinium-2-yl)thiomethyl group in 3-position of the cephem nucleus and is specifically represented by the following formula(I):
本发明涉及新型
头孢菌素化合物、药学上可接受的无毒盐、生理上可
水解的酯、
水合物和溶液及其异构体,它们具有强效和广泛的抗菌活性。本发明的化合物在
头孢菌素核的 3-位上有一个(1,5,6-取代的-4-
氨基嘧啶-2-基)
硫甲基,具体由下式(I)表示: