Pyrroloquinoline derivatives, antimicrobial agents using the same and process for preparing the same
申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0390135A1
公开(公告)日:1990-10-03
There is described pyrroloquinoline derivatives of general formula:
wherein R¹ is a C₁-C₆ alkyl group, R² is a group:
or group:
wherein R³, R⁴, R⁵ and R⁶ are as defined, or salt thereof. These compounds have an antimicrobial activity.