Compound according to formula V, wherein m is 1 or 2, n is 0 or 1; R 1 is -COR 6, -CONR 8 R 9, -COCR 6 R 7 NR 8 R 9, or substituted or unsubstituted C 1-4 alkyl; R 2 is hydrogen; R 3 is substituted or unsubstituted aryl selected from phenyl and naphthyl, or substituted or unsubstituted heterocyclyl selected from pyrrolidine, imidazole, oxadiazole, tetrazole, pyridine, pyrimidine, piperidine,, benzofuran, benzimidazole, indazole, benzothiazole, indoline, furan, triazole, isoxazole, pyrazole, thiophene, benzothiophene, pyrrole, pyrazine, quinoline, isoquinoline, phthalazine, benzo-1,2,5-thiadiazole, indole, benzotriazole, benzodioxolane, benzodioxane, carbazole and quinazoline; R 4 is hydrogen, or substituted or unsubstituted C 1-4 alkyl, preferably is hydrogen or -CH 2 OH; R 5 is hydrogen; R 6, R 7, R 8 and R 9 are independent from each other and selected from the group formed by hydrogen, substituted or unsubstituted C 1-4 alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted heterocyclyl selected from pyrrolidine, imidazole, oxadiazole, tetrazole, pyridine, pyrimidine, piperidine,, benzofuran, benzimidazole, indazole, benzothiazole, indoline, furan, triazole, isoxazole, pyrazole, thiophene, benzothiophene, pyrrole, pyrazine, quinoline, isoquinoline, phthalazine, benzo-1,2,5-thiadiazole, indole, benzotriazole, benzodioxolane, benzodioxane, carbazole and quinazoline, or substituted or unsubstituted benzyl, or R 6 and R 7 together with their connecting atom might form an unsubstituted 5- or 6-membered saturated cycloalkylic ring; and wherein any aryl or alkyl-aryl which is substituted is substituted by one or more of halogen, -OH, -NH 2, -SH, -C OH, -OC 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, -CN, or -C 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, any cycloalkyl or heterocyclyl which is substituted is substituted by one or more of halogen, -OH, -NH 2, -SH, =O, -C OH, -OC 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, -CN, or -C 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, and any alkyl, alkenyl, alkynyl or O-alkyl which is substituted is substituted by one or more of halogen, -OH, -NH 2, -SH, -C OH, or -OC 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen; optionally in form of one of the stereoisomers, preferably enantiomers or diastereomers, a racemate or in form of a mixture of at least two of the stereoisomers, preferably enantiomers and/or diastereomers, in any mixing ratio, or a corresponding salt thereof, or a corresponding solvate thereof. m is 1 or 2, n is 0 or 1; R 1 is -COR 6, -CONR 8 R 9, -COCR 6 R 7 NR 8 R 9, or substituted or unsubstituted C 1-4 alkyl; R 2 is hydrogen; R 3 is substituted or unsubstituted aryl selected from phenyl and naphthyl, or substituted or unsubstituted heterocyclyl selected from pyrrolidine, imidazole, oxadiazole, tetrazole, pyridine, pyrimidine, piperidine,, benzofuran, benzimidazole, indazole, benzothiazole, indoline, furan, triazole, isoxazole, pyrazole, thiophene, benzothiophene, pyrrole, pyrazine, quinoline, isoquinoline, phthalazine, benzo-1,2,5-thiadiazole, indole, benzotriazole, benzodioxolane, benzodioxane, carbazole and quinazoline; R 4 is hydrogen, or substituted or unsubstituted C 1-4 alkyl, preferably is hydrogen or -CH 2 OH; R 5 is hydrogen; R 6, R 7, R 8 and R 9 are independent from each other and selected from the group formed by hydrogen, substituted or unsubstituted C 1-4 alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted heterocyclyl selected from pyrrolidine, imidazole, oxadiazole, tetrazole, pyridine, pyrimidine, piperidine,, benzofuran, benzimidazole, indazole, benzothiazole, indoline, furan, triazole, isoxazole, pyrazole, thiophene, benzothiophene, pyrrole, pyrazine, quinoline, isoquinoline, phthalazine, benzo-1,2,5-thiadiazole, indole, benzotriazole, benzodioxolane, benzodioxane, carbazole and quinazoline, or substituted or unsubstituted benzyl, or R 6 and R 7 together with their connecting atom might form an unsubstituted 5- or 6-membered saturated cycloalkylic ring; and wherein any aryl or alkyl-aryl which is substituted is substituted by one or more of halogen, -OH, -NH 2, -SH, -C OH, -OC 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, -CN, or -C 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, any cycloalkyl or heterocyclyl which is substituted is substituted by one or more of halogen, -OH, -NH 2, -SH, =O, -C OH, -OC 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, -CN, or -C 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen, and any alkyl, alkenyl, alkynyl or O-alkyl which is substituted is substituted by one or more of halogen, -OH, -NH 2, -SH, -C OH, or -OC 1-4 alkyl being unsubstituted or substituted by one or more of OH or halogen; optionally in form of one of the stereoisomers, preferably enantiomers or diastereomers, a racemate or in form of a mixture of at least two of the stereoisomers, preferably enantiomers and/or diastereomers, in any mixing ratio, or a corresponding salt thereof, or a corresponding solvate thereof.