| abstract |
Disclosed is a novel carbapenem derivative having a substituted imidazoÄ5,1-bÜthiazole group at the 2-position on the carbapenem ring have high anti-microbial activities against beta -lactamase producing bacteria, MRSA, resistant-Pseudomonas aeruginosa, PRSP, enterococci, and influenza, and high stabilities to DHP-1. According to the present invention, there is provided a compound represented by the formula (I), or a pharmacologically acceptable salt thereof or an ester at the 3-position on the carbapenem ring thereof: <CHEM> |