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

1-(4-Chloro-benzenesulfonyl)-piperidine-4-carboxylic acid

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

1-Hydroxymethyl-1 H -pyrazole-3-carboxylic acid

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

4-Chloro-2-phenylamino-benzoic acid

(4-Bromo-5-cyclopropyl-3-difluoromethyl-pyrazol-1-yl)-acetic acid

1-(5-Phenyl-tetrazol-2-ylmethyl)-1 H -pyrazole-3-carboxylic acid

1-(2-Chloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

2-(4-Chloro-pyrazol-1-yl)-butyric acid

2-(4-Chloro-pyrazol-1-yl)-2-methyl-propionic acid