PHARMACEUTICAL COMPOSITION AND KIT CHARACTERIZED BY CONTAINING NOVEL PENAM DERIVATIVE OR SALT THEREOF AND ONE OR MORE COMPOUNDS SELECTED FROM Β-LACTAMASE INHIBITOR COMPOUND, ANTIBACTERIAL COMPOUND AND SALTS OF THESE

摘要

The problem addressed by the present invention is to provide a pharmaceutical composition and kit that exhibit strong antibacterial activity against gram-negative bacteria and/or drug-resistant, gram-negative bacteria. This pharmaceutical composition and kit, characterized by containing a compound represented by general formula (I) (wherein all the symbols are as defined in the description) or a salt thereof and one or more compounds selected from a β-lactamase inhibitor compound and an antibacterial compound, exhibit strong antibacterial activity against gram-negative bacteria such as Pseudomonas aeruginosa and/or against drug-resistant, gram-negative bacteria including multidrug-resistant Pseudomonas aeruginosa.