abstract |
The present invention relates to a cephalosporin derivative, a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutical composition comprising the same. Specifically, the present invention relates to a cepha having a quaternized hetero compound represented by the following Chemical Formula 1. The present invention relates to a rosporin derivative, and the compound of the present invention not only has a strong antibacterial activity, but also has a broad antibacterial spectrum and low toxicity, and thus may be usefully used as an antibiotic.n n n n n n n n n n In Formula 1, R and X are as described in the specification. |