Pyrroloquinoline derivatives and pharmaceutical compositions for antimicrobial use

摘要

There is described pyrroloquinoline derivatives of general formula: <IMAGE> wherein R' is a C1-C6 alkyl group, R2 is a group: <IMAGE> or group: <IMAGE> wherein R3, R4, R5 and R6 are as defined, or salt thereof. These compounds have an antimicrobial activity.