The present invention relates to compounds, to processes forpreparing them, to pharmaceutical compositions comprising them, and to theirusein the therapy and/or prophylaxis of diseases in people or animals, especiallydiseases of bacterial infection. In a specific embodiment, the inventionrelates to acompound of the formula(see formula I)in which R1 is heteroaryl, etc, where heteroaryl can be substituted by 0, 1, 2or 3substituents R1-1, the substituents R1-1 being selected independently of oneanother from the group consisting of halogen, alkyl, nitro, etc, R2 ishydrogen ormethyl, R3 is hydrogen, hydroxyl, amino, etc, R4 is hydrogen or C1-C3 alkyl,R5 ishalogen, trifluoromethyl, trifluoromethoxy, etc, R6 is alkyl, cycloalkyl, etc,n is anumber 0, 1, 2 or 3, m is a number 0, 1, 2, 3 or 4, A is aryl or heteroaryl,or a saltthereof, a solvate thereof or a solvate of a salt thereof.
