A compound represented by the following general formula (1) or a salt thereof, which has superior inhibitory activity against type 4 PLA
2
, and thus has prostaglandin and/or leucotriene production suppressing action [X represents a halogen atom, an alkyl group which may be substituted, or the like, Y represents hydrogen atom or an alkyl group which may be substituted, and Z represents hydrogen atom or an alkyl group which may be substituted].
The present invention relates to compounds that are selective and/or potent inhibitors of UPPS. In addition to compounds which inhibit UPPS, the invention also provides pharmaceutical compositions comprising these compounds and methods of using these compounds for treating bacterial disease, such as bacterial infection.