2-(4-Fluoro-phenyl)-5-(1,3,5-trimethyl-1 H -pyrazol-4-yl)-pyrazolo[1,5- a ]pyrimidine-7-carboxylic acid

5-(4-Isopropyl-phenyl)-4-methyl-thiophene-2-carboxylic acid

5-(1-Ethyl-5-methyl-1 H -pyrazol-4-yl)-isoxazole-3-carboxylic acid

1-Ethyl-5-trifluoromethyl-1 H -pyrazole-3-carboxylic acid

1-Benzenesulfonyl-piperidine-3-carboxylic acid

2-(1-Ethyl-1 H -pyrazol-4-yl)-quinoline-4-carboxylic acid

1-(3-Nitro-benzenesulfonyl)-piperidine-4-carboxylic acid

2-(1-Ethyl-3-methyl-1 H -pyrazol-4-yl)-quinoline-4-carboxylic acid

1-(1-Ethyl-3-methyl-1 H -pyrazole-4-sulfonyl)-piperidine-3-carboxylic acid

(4-Bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid

1',5'-Dimethyl-2 H ,1' H -[3,4']bipyrazolyl-5-carboxylic acid