N-substituted indole derivatives as PGE2 receptor modulators

1. A compound selected from the group consisting of:

3-Chloro-5-{6-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

[6-(2,3-Dihydro-1H-indol-5-yl)-pyrimidin-4-yl]-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

[2-(7-Fluoro-2,4-dimethyl-indol-1-yl)-ethyl]-{6-[4-(1H-imidazol-4-yl)-phenyl]-pyrimidin-4-yl}-amine;

3-Ethyl-5-{6-[2-(6-fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-methyl-thiophene-2-carboxylic acid;

5-{6-[2-(4-Chloro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

3-Ethyl-5-{6-[2-(4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Chloro-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

4-{6-[2-(7-Fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methylamino-benzoic acid;

5-{6-[2-(5,7-Difluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

{6-[4-(3-Amino-isoxazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(1H-imidazol-4-yl)-phenyl]-pyrimidin-4-yl}-amine;

[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(1H-imidazol-4-yl)-phenyl]-pyrimidin-4-yl}-amine;

[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(2H-pyrazol-3-yl)-phenyl]-pyrimidin-4-yl}-amine;

3-Ethoxy-5-{6-[2-(4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(6-Chloro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(7-fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(7-fluoro-2,5-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(6-fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Ethyl-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(4,6-Dichloro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(4-Chloro-6-fluoro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(4-Chloro-7-fluoro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-6-fluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

4-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methylamino-benzoic acid;

5-{6-[2-(7-Chloro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(4,6,7-trifluoro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Ethoxy-5-{6-[2-(4,5,7-trifluoro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(6,7-Difluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

{6-[4-(3-Amino-isoxazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

[2-(6,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(1H-imidazol-4-yl)-phenyl]-pyrimidin-4-yl}-amine;

[2-(7-Fluoro-2,4-dimethyl-indol-1-yl)-ethyl]-{6-[4-(5-methylamino-[1,3,4]thiadiazol-2-yl)-phenyl]-pyrimidin-4-yl}-amine;

5-{6-[2-(2-Cyano-6-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

2-Ethylamino-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-benzoic acid;

5-{6-[2-(6,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(6-Fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-2-methyl-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(5-methylamino-[1,3,4]thiadiazol-2-yl)-phenyl]-pyrimidin-4-yl}-amine;

4-(4-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-thiazole-2-carboxylic acid;

2-Chloro-4-{6-[2-(6-chloro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-propyl-benzoic acid;

2-Chloro-4-{6-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-propyl-benzoic acid;

5-{6-[2-(6,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

4-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-isobutyl-benzoic acid;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-2-methyl-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-2-methyl-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

1-Ethyl-3-(4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methoxy-phenyl)-urea;

{6-[4-(2-Amino-oxazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

{6-[4-(2-Amino-oxazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

2-(4-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-thiazole-4-carboxylic acid;

2-(4-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-thiazole-4-carboxylic acid;

[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(2-methyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-yl}-amine;

[2-(6-Fluoro-2,4-dimethyl-indol-1-yl)-ethyl]-{6-[4-(5-methylamino-[1,3,4]thiadiazol-2-yl)-phenyl]-pyrimidin-4-yl}-amine;

4-{6-[2-(2-Cyano-6-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-isobutyl-benzoic acid;

2-Chloro-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-propoxy-benzoic acid;

2-Butoxy-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-benzoic acid;

{6-[4-(2-Amino-oxazol-5-yl)-phenyl]-pyrimidin-4-ylI}-[2-(6,7-difluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

[2-(6,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(2-methyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-yl}-amine;

[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[4-(5-methylamino-[1,3,4]thiadiazol-2-yl)-phenyl]-pyrimidin-4-yl}-amine;

{6-[3-Ethoxy-4-(1H-tetrazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

{6-[3-Ethylamino-4-(1H-tetrazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

[2-(7-Chloro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[3-ethylamino-4-(1H-tetrazol-5-yl)-phenyl]-pyrimidin-4-yl}-amine;

{6-[3-Ethylamino-4-(1H-tetrazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

{6-[3-Ethylamino-4-(1H-tetrazol-5-yl)-phenyl]-pyrimidin-4-yl}-[2-(7-fluoro-2,4-dimethyl-indol-1-yl)-ethyl]-amine;

3-Butoxy-5-{6-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Butoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-propoxy-thiophene-2-carboxylic acid;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-isopropoxy-thiophene-2-carboxylic acid;

5-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-isopropoxy-thiophene-2-carboxylic acid;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-propoxy-thiophene-2-carboxylic acid;

3-(4-{6-[2-(6,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-4H-[1,2,4]oxadiazol-5-one;

2-Chloro-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-isobutoxy-benzoic acid;

[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-[6-(1H-indol-5-yl)-pyrimidin-4-yl]-amine;

[2-(6,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-[6-(1H-indol-5-yl)-pyrimidin-4-yl]-amine;

6-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-1,2-dihydro-indazol-3-one;

4-{6-[2-(2-Chloro-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-benzoic acid;

5-{6-[2-(2-Chloro-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(4-Bromo-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[5-(1H-tetrazol-5-yl)-thiophen-2-yl]-pyrimidin-4-yl}-amine;

5-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-hydroxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-isopropoxy-thiophene-2-carboxylic acid;

1-(2-{6-[3-Ethoxy-4-(1H-tetrazol-5-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-fluoro-thiophene-2-carboxylic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-benzoic acid;

(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenoxy)-acetic acid;

N-(5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carbonyl)-methanesulfonamide;

(2-Ethoxy-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenoxy)-acetic acid;

(2-Ethoxy-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenylamino)-acetic acid;

5-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

N-(5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carbonyl)-benzenesulfonamide;

Propane-2-sulfonic acid (5-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carbonyl)-amide;

Cyclopropanesulfonic acid (5-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carbonyl)-amide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid methylamide;

Ethanesulfonic acid (5-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carbonyl)-amide;

7-Fluoro-1-(2-{6-[4-(1H-imidazol-4-yl)-3-methoxy-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-(2-{6-[4-(5-methyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-1H-indole-2-carbonitrile;

1-(2-{6-[3-Ethoxy-4-(5-oxo-4,5-dihydro-[1,2,4]oxadiazol-3-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

1-(2-{6-[4-(2,5-Dimethyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

1-{2-[6-(3-Ethyl-4-hydroxy-phenyl)-pyrimidin-4-ylamino]-ethyl}-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

1-(2-{6-[4-(1,5-Dimethyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

1-(2-{6-[4-(1,2-Dimethyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-1-(2-{6-[4-(5-oxo-4,5-dihydro-[1,2,4]oxadiazol-3-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-1-(2-{6-[5-(3-hydroxy-oxetan-3-yl)-4-methoxy-thiophen-2-yl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

1-(2-{6-[4-(2-Cyclopropyl-1-methyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-trifluoromethoxy-phenoxy)-acetic acid;

7-Fluoro-1-(2-{6-[4-(3H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

3-(2-Ethoxy-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-[1,2,4]oxadiazol-5(4H)-one;

7-Fluoro-1-(2-{6-[4-(3-oxo-2,3-dihydro-1,2,4-oxadiazol-5-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-(2,2,2-trifluoro-ethoxy)-thiophene-2-carboxylic acid;

(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethyl-phenoxy)-acetic acid;

3-(2-Ethoxy-4-{6-[2-(6-fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-[1,2,4]oxadiazol-5(4H)-one;

2-butoxy-6-chloro-4-(6-((2-(7-fluoro-4-methoxy-2-methyl-1H-indol-1-yl)ethyl-1,1,2,2-d4)amino)pyrimidin-4-yl)benzoic acid;

5-{6-[2-(7-Chloro-5-fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-(2,2,2-trifluoro-ethoxy)-thiophene-2-carboxylic acid;

2-(2-Ethoxy-4-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenylamino)-propionic acid;

5-{6-[2-(2-Cyano-3-fluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-7-fluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-fluoro-thiophene-2-carboxylic acid;

7-Fluoro-1-(2-{6-[4-(3-hydroxy-isoxazol-5-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

N-(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenyl)-oxalamic acid;

7-Fluoro-1-(2-{6-[4-(3-hydroxy-isoxazol-5-yl)-3-methoxy-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

5-{6-[2-(2-Cyano-7-fluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenylamino)-acetic acid;

1-(2-{6-[4-(2-Cyclopropyl-1H-imidazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

5-{6-[2-(6-Chloro-7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

(4-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenylamino)-acetic acid;

7-Fluoro-1-{2-[6-(4-hydroxy-3-trifluoromethoxy-phenyl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

1-{2-[6-(3-Chloro-4-hydroxy-phenyl)-pyrimidin-4-ylamino]-ethyl}-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

5-{6-[2-(4,6-Dichloro-7-fluoro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(6-Chloro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-isopropoxy-thiophene-2-carboxylic acid;

(4-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenoxy)-acetic acid;

5-{6-[2-(6-Chloro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

2-Butoxy-4-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-benzoic acid;

4-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-trifluoromethoxy-phenol;

3-Ethoxy-5-{6-[2-(3-fluoro-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-3-fluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

(2-Ethoxy-4-{6-[2-(7-fluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenylamino)-acetic acid;

2-Butoxy-4-{6-[2-(6,7-difluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-benzoic acid;

5-{6-[2-(2,4-Dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-isopropoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2,4-Dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

3-(2-Ethoxy-4-{6-[2-(4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-[1,2,4]oxadiazol-5(4H)-one;

5-{6-[2-(4,6-Dichloro-2-cyano-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-5,6-difluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-7-fluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-7-fluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

(4-{6-[2-(2-Cyano-7-fluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenoxy)-acetic acid;

(4-{6-[2-(2-Cyano-7-fluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenylamino)-acetic acid;

1-{2-[6-(3-Ethoxy-4-hydroxy-phenyl)-pyrimidin-4-ylamino]-ethyl}-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid amide;

5-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-fluoro-thiophene-2-carboxylic acid;

5-{6-[2-(4-Chloro-2-cyano-6,7-difluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-fluoro-thiophene-2-carboxylic acid;

2-Butoxy-4-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-fluoro-benzoic acid;

2-Butoxy-6-chloro-4-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-benzoic acid;

2-Chloro-4-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-propoxy-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-fluoro-6-propoxy-benzoic acid;

5-{6-[2-(4-Chloro-2-cyano-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(4-Chloro-2-cyano-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

5-{6-[2-(4-Chloro-2-cyano-6,7-difluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

2-Chloro-4-{6-[2-(2-cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-6-isobutoxy-benzoic acid;

(4-{6-[2-(4-Chloro-2-cyano-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenylamino)-acetic acid;

(4-{6-[2-(4-Chloro-2-cyano-6,7-difluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenylamino)-acetic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-difluoromethoxy-benzoic acid;

7-Fluoro-4-methoxy-1-{2-[6-(1-methyl-2-oxo-1,2,3,4-tetrahydro-quinazolin-7-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(1-methyl-3-oxo-2,3-dihydro-1H-indazol-6-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

3-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-5-ethylsulfanyl-benzoic acid;

7-Fluoro-4-methoxy-1-(2-{6-[4-(3H-[1,2,3]triazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-1H-indole-2-carbonitrile;

3-(3-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-5-ethoxy-phenoxy)-propionic acid;

3-(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenoxy)-propionic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-3-fluoro-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-benzenesulfonamide;

1-(2-{6-[3-Ethoxy-4-(3H-[1,2,3]triazol-4-yl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

3-(5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophen-2-yl)-propionic acid;

7-Fluoro-1-(2-{6-[4-(2-hydroxy-3,4-dioxo-cyclobut-1-enyl)-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenyl)-oxo-acetic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-propylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-6-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-propylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-isopropylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-6-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-isopropylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-fluoro-6-propyl-benzoic acid;

5-{6-[2-(2-Cyano-5,7-difluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-6,7-difluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

5-{6-[2-(2-Cyano-6,7-difluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

(4-{6-[2-(2-Cyano-6,7-difluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenoxy)-acetic acid;

(4-{6-[2-(2-Cyano-6,7-difluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-phenylamino)-acetic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-propyl-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethyl-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-isobutoxy-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-propoxy-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-6-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-6,7-difluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethylsulfanyl-benzoic acid;

4-{6-[2-(2-Cyano-6,7-difluoro-4-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-benzoic acid;

4-{6-[2-(2-Cyano-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methylamino-benzoic acid;

2-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-1H-indole-5-carboxylic acid;

7-Fluoro-1-{2-[6-(1H-indol-2-yl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

2-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-1H-indole-5-carboxylic acid methyl ester;

7-Fluoro-1-(2-{6-[4-(2-hydroxy-ethoxy)-phenyl]-pyrimidin-4-ylamino}-ethyl)-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-1-{2-[6-(1H-indol-6-yl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(1H-pyrrolo[2,3-c]pyridin-3-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

7-Fluoro-1-{2-[6-(1H-indol-3-yl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(2-oxo-1,2,3,4-tetrahydro-quinazolin-6-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

N-(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-phenyl)-formamide;

7-Fluoro-4-methoxy-1-{2-[6-(2-oxo-2,3-dihydro-benzooxazol-6-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(3-methyl-2-oxo-2,3-dihydro-benzooxazol-5-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

7-Fluoro-1-{2-[6-(1H-indazol-5-yl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(1H-pyrrolo[2,3-b]pyridin-3-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(1H-pyrrolo[2,3-b]pyridin-5-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(1-methyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

1-(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methoxy-phenyl)-3-ethyl-urea;

1-{2-[6-(1H-Benzoimidazol-5-yl)-pyrimidin-4-ylamino]-ethyl}-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

1-{2-[6-(3H-Benzotriazol-5-yl)-pyrimidin-4-ylamino]-ethyl}-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-4-methoxy-1-{2-[6-(1-oxo-1,2,3,4-tetrahydro-isoquinolin-6-yl)-pyrimidin-4-ylamino]-ethyl}-1H-indole-2-carbonitrile;

1-{2-[6-(3-Ethoxy-4-formyl-phenyl)-pyrimidin-4-ylamino]-ethyl}-7-fluoro-4-methoxy-1H-indole-2-carbonitrile;

7-Fluoro-1-{2-[6-(1H-indol-5-yl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-fluoro-benzoic acid methyl ester;

7-Fluoro-1-{2-[6-(4-hydroxy-3-trifluoromethyl-phenyl)-pyrimidin-4-ylamino]-ethyl}-4-methoxy-1H-indole-2-carbonitrile;

3-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-5-ethoxy-benzoic acid;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-3-carboxylic acid ethyl ester;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methylamino benzoic acid;

4-{6-[2-(5,7-Difluoro-2,4-dimethyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methylamino-benzoic acid;

3-(5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-isopropoxy-thiophen-2-yl)-propionic acid;

3-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-propionic acid;

(E)-3-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-acrylic acid;

4-{6-[2-(6-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methylamino-benzoic acid;

3-Chloro-5-{6-[2-(4-chloro-2-cyano-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

3-Chloro-5-{6-[2-(4-chloro-2-cyano-6,7-difluoro-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carboxylic acid;

N-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophene-2-carbonyl)-methanesulfonamide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid ethylamide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid dimethylamide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid (2-hydroxy-ethyl)-amide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid isopropylamide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid (2-methoxy-ethyl)-amide;

5-(6-((2-(2-cyano-7-fluoro-4-methoxy-1H-indol-1-yl)ethyl)amino)pyrimidin-4-yl)-3-ethoxy-N-sulfamoylthiophene-2-carboxamide;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid hydroxyamide;

(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-methanol;

2-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-4-isopropoxy-thiazole-5-carboxylic acid;

2-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-4-methoxy-thiazole-5-carboxylic acid;

4-Ethoxy-2-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiazole-5-carboxylic acid;

2-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-4-propoxy-thiazole-5-carboxylic acid;

2-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-4-isobutyl-thiazole-5-carboxylic acid;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid carboxymethyl ester;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid dimethylcarbamoylmethyl ester;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid butyryloxymethyl ester;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid ethoxycarbonyloxymethyl ester;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid 5-methyl-2-oxo-[1,3]dioxol-4-ylmethyl ester;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid 2-dimethylamino-ethyl ester;

5-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid phenyl ester;

(4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-methoxy-phenyl)-propynoic acid ethyl ester;

{6-[4-Ethoxy-5-(1H-tetrazol-5-yl)-thiophen-2-yl]-pyrimidin-4-yl}-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-N-hydroxy-thiophene-2-carboxamidine;

3-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-[1,2,4]oxadiazol-5(4H)-one;

5-{6-[2-(3,7-Difluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-ethoxy-thiophene-2-carboxylic acid;

[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-{6-[5-(2H-tetrazol-5-yl)-4-trifluoromethyl-thiophen-2-yl]-pyrimidin-4-yl}-amine;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-N-hydroxy-3-trifluoromethyl-thiophene-2-carboxamidine;

3-(5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophen-2-yl)-[1,2,4]oxadiazol-5(4H)-one;

4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-N-hydroxy-benzamide;

5-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-isoxazol-3-ol;

5-{6-[2-(7-Fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-pyridin-2-yl-thiophene-2-carboxylic acid;

[6-(4-Ethylamino-thiophen-2-yl)-pyrimidin-4-yl]-[2-(7-fluoro-2,4-dimethyl-indol-1-yl)-ethyl]-amine;

[6-(4-Ethylamino-thiophen-2-yl)-pyrimidin-4-yl]-[2-(6-fluoro-2,4-dimethyl-indol-1-yl)-ethyl]-amine;

[6-(4-Ethylamino-thiophen-2-yl)-pyrimidin-4-yl]-[2-(6-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethyl]-amine;

N-Ethyl-N-(5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-3-yl)-formamide;

N-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-formamide;

N-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-propionamide;

N-(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-3-hydroxy-propionamide;

(3-Ethoxy-5-{6-[2-(7-fluoro-4-methoxy-2-methyl-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-thiophen-2-yl)-urea; and

5-{6-[2-(2-Cyano-3,7-difluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-3-trifluoromethyl-thiophene-2-carboxylic acid;

or a pharmaceutically acceptable salt thereof.

2. A compound of Formula (II)

wherein

R 2 represents methyl, chloro, or cyano; and

R 14 , R 15 , R 16 , and R 17 independently represent the following:

R 14 represents methyl, methoxy, halogen, or cyano;

R 15 represents hydrogen, methyl, chloro, or fluoro;

R 16 represents hydrogen, or fluoro; and

R 17 represents hydrogen, chloro, or fluoro;

wherein at least one of R 15 , R 16 , and R 17 represents hydrogen;

and Ar 1 represents

a phenyl group of the structure (Ar-IV):

wherein

R p represents;

hydroxy;

—COOH;

—CO—CH 2 —CN;

—CO—(C 1-4 )alkoxy;

—CO—NH—SO 2 —R S3 wherein R S3 represents (C 1-4 )alkyl, (C 3-6 )cycloalkyl; (C 3-6 )cycloalkyl-(C 1-3 )alkyl; (C 1-3 )fluoroalkyl, phenyl, or —NH 2 ; —X 1 —CH 2 —COOH, wherein X 1 represents O, or NH;

—CO—NR N3 R N4 wherein R N3 and R N4 independently represent hydrogen, (C 1-4 )alkyl, hydroxy-(C 2-4 )alkyl, (C 1-3 )alkoxy-(C 2-4 )alkyl, dimethylamino-(C 2-4 )alkyl, (C 1-4 )alkoxy, or hydroxy-(C 2-4 )alkoxy;

—NH—CO—NR N5 R N6 wherein R N5 and R N6 independently represent hydrogen or (C 1-4 )alkyl;

—SO 2 —R S1 wherein R S1 represents hydroxy, (C 1-4 )alkyl, or —NR N7 R N8 wherein R N7 and R N8 independently represent hydrogen or (C 1-3 )alkyl;

5-oxo-4,5-dihydro-[1,2,4]oxadiazol-3-yl;

tetrazolyl; or

5- or 6-membered heteroaryl selected from oxazolyl, isoxazolyl, oxadiazolyl, thiazolyl, isothiazolyl, thiadiazolyl, imidazolyl, pyrazolyl, triazolyl, pyridinyl, pyrimidinyl, pyridazinyl, or pyrazinyl; wherein said 5- or 6-membered heteroaryl is unsubstituted, or mono- or di-substituted, wherein the substituents are independently selected from (C 1-3 )alkyl, (C 1-3 )alkoxy, —COOH, hydroxy, fluoro, 2-amino-2-oxo-ethyl, 2-carboxy-ethyl, or —NR N9 R N10 wherein R N9 and R N10 independently represent hydrogen or (C 1-3 )alkyl;

R m1 represents

hydrogen;

(C 1-6 )alkyl;

(C 1-4 )alkoxy;

(C 1-3 )fluoroalkyl;

(C 1-3 )fluoroalkoxy;

halogen;

(C 3-6 )cycloalkyl;

(C 3-6 )cycloalkyl-oxy;

hydroxy;

—(CH 2 ) m —NR N1 R N2 , wherein m represents the integer 0 or 1; and wherein R N1 and R N2 independently represent hydrogen, (C 1-3 )alkyl, or (C 2-3 )fluoroalkyl; or R N1 and R N2 together with the nitrogen to which they are attached form a pyrrolidinyl ring; or

—S—R S2 wherein R S2 represents (C 1-4 )alkyl, or (C 3-6 )cycloalkyl;

and R m2 represents

hydrogen; or

(C 1-6 )alkyl;

(C 1-3 )alkoxy; or

halogen;

or Ar 1 represents a 5-membered heteroaryl group of the structure (Ar-V):

wherein in (Ar-V) the ring A represents a thiophenyl or a thiazolyl ring;

wherein R A1 represents

—COOH;

tetrazolyl;

—CO—(C 1-4 )alkoxy;

—CO—NH—SO 2 —R S3 wherein R S3 represents (C 1-4 )alkyl, (C 3-6 )cycloalkyl; (C 3-6 )cycloalkyl-(C 1-3 )alkyl; (C 1-3 )fluoroalkyl, phenyl, or —NH 2 ;

X 1 —CH 2 —COOH, wherein X 1 represents O, or NH; or

—CO—NR N3 R N4 wherein R N3 and R N4 independently represent hydrogen, (C 1-4 )alkyl, hydroxy-(C 2-4 )alkyl, or (C 1-3 )alkoxy-(C 2-4 )alkyl;

and R A2 represents

hydrogen;

(C 1-6 )alkyl;

(C 1-4 )alkoxy;

(C 1-3 )fluoroalkyl;

halogen; or

hydroxy;

or Ar 1 represents 9- or 10-membered bicyclic heteroaryl selected from 1H-indol-5-yl, 1H-indol-4-yl, 1H-indol-6-yl, indazol-6-yl, 1H-benzoimidazol-5-yl, 1H-benzotriazol-5-yl, quinoxalin-6-yl, isoquinolin-7-yl, and quinolin-6-yl; wherein said 9- or 10-membered bicyclic heteroaryl independently is unsubstituted, mono-, or di-substituted, wherein the substituents are independently selected from (C 1-4 )alkyl or —COOH;

or Ar t represents a group of the structure (Ar-III):

wherein ring (B) represents a non-aromatic 5-membered ring fused to the phenyl group, wherein ring (B) comprises one or two nitrogen ring atoms; wherein said ring (B) independently is unsubstituted, mono-, or di-substituted, wherein the substituents are independently selected from oxo and (C 1-6 )alkyl;

or a pharmaceutically acceptable salt thereof.

3. The compound 4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-benzoic acid, or a pharmaceutically acceptable salt thereof.

4. The compound according to claim 3 which is 4-{6-[2-(2-Cyano-7-fluoro-4-methoxy-indol-1-yl)-ethylamino]-pyrimidin-4-yl}-2-ethoxy-benzoic acid in pharmaceutically acceptable salt form.

5. A pharmaceutical composition comprising, as active principle, a compound according to claim 1 , or a pharmaceutically acceptable salt thereof, and at least one therapeutically inert excipient.

6. A method of modulating an immune response in a subject having a tumor, comprising the administration of an effective amount of a compound according to claim 1 , or of a pharmaceutically acceptable salt thereof; wherein said effective amount reactivates the immune system in the tumor of said subject by antagonizing prostaglandin 2 receptors EP2 and/or EP4; wherein said tumor is a cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma.

7. A method of treatment of cancer by antagonizing prostaglandin 2 receptors EP2 and/or EP4, wherein said cancer is selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof a compound according to claim 1 , or a pharmaceutically acceptable salt thereof.

8. A pharmaceutical composition comprising, as active principle, a compound according to claim 2 , or a pharmaceutically acceptable salt thereof, and at least one therapeutically inert excipient.

9. A method of modulating an immune response in a subject having a tumor, comprising the administration of an effective amount of a compound according to claim 2 , or of a pharmaceutically acceptable salt thereof; wherein said effective amount reactivates the immune system in the tumor of said subject by antagonizing prostaglandin 2 receptors EP2 and/or EP4; wherein said tumor is a cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma.

10. A method of treatment of cancer by antagonizing prostaglandin 2 receptors EP2 and/or EP4, wherein said cancer is selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof a compound according to claim 2 , or a pharmaceutically acceptable salt thereof.

11. A pharmaceutical composition comprising, as active principle, the compound according to claim 3 , or a pharmaceutically acceptable salt thereof, and at least one therapeutically inert excipient.

12. A method of modulating an immune response in a subject having a tumor, comprising the administration of an effective amount of the compound according to claim 3 , or of a pharmaceutically acceptable salt thereof; wherein said effective amount reactivates the immune system in the tumor of said subject by antagonizing prostaglandin 2 receptors EP2 and/or EP4; wherein said tumor is a cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma.

13. A method of treatment of cancer by antagonizing prostaglandin 2 receptors EP2 and/or EP4, wherein said cancer is selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof the compound according to claim 3 , or a pharmaceutically acceptable salt thereof.

14. A pharmaceutical composition comprising, as active principle, the compound according to claim 4 in pharmaceutically acceptable salt form, and at least one therapeutically inert excipient.

15. A method of modulating an immune response in a subject having a tumor, comprising the administration of an effective amount of the compound according to claim 4 in pharmaceutically acceptable salt form; wherein said effective amount reactivates the immune system in the tumor of said subject by antagonizing prostaglandin 2 receptors EP2 and/or EP4; wherein said tumor is a cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma.

16. A method of treatment of cancer by antagonizing prostaglandin 2 receptors EP2 and/or EP4, wherein said cancer is selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof the compound according to claim 4 in pharmaceutically acceptable salt form.

17. A method of treatment of cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof a combination therapy comprising a compound according to claim 1 , or a pharmaceutically acceptable salt thereof, and one or more targeted therapy that is a checkpoint inhibitor, wherein the checkpoint inhibitor targets the programmed cell death receptor 1 (PD-1) or PD-L1.

18. A method of treatment of cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof a combination therapy comprising the compound according to claim 3 , or a pharmaceutically acceptable salt thereof, and one or more targeted therapy that is a checkpoint inhibitor, wherein the checkpoint inhibitor targets the programmed cell death receptor 1 (PD-1) or PD-L1.

19. A compound according to claim 2 ; wherein the group

represents a group selected from the following groups A), B), C) and D):

or a pharmaceutically acceptable salt thereof.

20. A method of treatment of cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof a combination therapy comprising a compound according to claim 2 , or a pharmaceutically acceptable salt thereof, and one or more targeted therapy that is a checkpoint inhibitor, wherein the checkpoint inhibitor targets the programmed cell death receptor 1 (PD-1) or PD-L1.

21. A method of treatment of cancer selected from melanoma; lung cancer, bladder cancer, renal carcinomas, gastro-intestinal cancers, endometrial cancer, ovarian cancer, cervical cancer, and neuroblastoma; comprising administering to a subject in need thereof a combination therapy comprising the compound according to claim 4 in pharmaceutically acceptable salt form, and one or more targeted therapy that is a checkpoint inhibitor, wherein the checkpoint inhibitor targets the programmed cell death receptor 1 (PD-1) or PD-L1.