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

2,4-Dichloro-5-(piperidine-1-sulfonyl)-benzoic acid

(5-Methyl-4-nitro-2 H -pyrazole-3-sulfinyl)-acetic acid

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

5-(2-Chloro-5-nitro-phenoxymethyl)-furan-2-carboxylic acid

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