abstract |
The subject of the present invention is the compound of formula (I) in the form of optical isomers or mixtures (R1, R2, R3, R3 ′, R4, R4 ′, R5, R6 and R7 as described herein) And salts with acids and bases, their preparation and application as antibacterial agents in both human and veterinary medicine. [Selection figure] None |