3,6-Dicyclopropyl-1-phenyl-1 H -pyrazolo[3,4- b ]pyridine-4-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

1-(4-Bromo-2-chloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

2-(4-Bromo-pyrazol-1-yl)-propionic acid