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

(5-Methyl-4-nitro-2 H -pyrazol-3-ylamino)-acetic acid

1-(2,5-Dimethyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

1-(4-Chloro-3-methyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

1-(2,6-Dichloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

2,4-Dichloro-5-(N,N-dimethylsulfamoyl)benzoic acid

2-Methyl-3-(4-nitro-pyrazol-1-yl)-propionic acid

(3-Nitro-pyrazol-1-yl)-acetic acid

5,7-Bis-difluoromethyl-pyrazolo[1,5- a ]pyrimidine-2-carboxylic acid

4-Bromo-1-ethyl-1 H -pyrazole-3-carboxylic acid

3-(2,5-Dimethyl-phenoxymethyl)-benzoic acid