5-Ethyl-2-methyl-4-nitro-2 H -pyrazole-3-carboxylic acid

7-(3,4-Dimethoxy-phenyl)-pyrazolo[1,5- a ]pyrimidine-2-carboxylic acid

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

5-(3,5-Dimethyl-1 H -pyrazol-4-ylmethyl)-furan-2-carboxylic acid

3-(4-Fluoro-phenyl)-isoxazole-5-carboxylic acid

1,3,6-Trimethyl-1 H -pyrazolo[3,4- b ]pyridine-4-carboxylic acid

5-(4-Difluoromethoxy-phenyl)-1 H -pyrazole-3-carboxylic acid

1-(1,3-Dimethyl-1 H -pyrazole-4-sulfonyl)-piperidine-4-carboxylic acid

(3-Cyclopropyl-5-difluoromethyl-pyrazol-1-yl)-acetic acid

5-(4- tert -Butyl-phenyl)-4-methyl-thiophene-2-carboxylic acid

5-Benzo[1,3]dioxol-5-yl-isoxazole-3-carboxylic acid