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

2-(4-Oxo-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid

(5-Methyl-4-nitro-3-trifluoromethyl-pyrazol-1-yl)-acetic acid

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

1-(2-Chloro-4-nitro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

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

1-(4-Chloro-2-methyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid

1-(2,4-Dichloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid