The present invention relates to new syn-isomers of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds, pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the same, which have antibacterial activities in the treatment of infectious diseases in human beings and animals.
本发明涉及3,7-二取代-3-头孢烯-4-
羧酸化合物的新的同构体,其药学上可接受的盐以及包括它们的制药组合物,在治疗人类和动物的传染病方面具有抗菌活性。