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

4-Benzo[1,3]dioxol-5-yl-2,4-dioxo-butyric acid methyl ester

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

5-(4-Methoxy-phenyl)-7-trifluoromethyl-4,5,6,7-tetrahydro-pyrazolo[1,5- a ]pyrimidine-3-carboxylic acid ethyl ester

5-Furan-2-yl-7-trifluoromethyl-4,5,6,7-tetrahydro-pyrazolo[1,5- a ]pyrimidine-3-carboxylic acid ethyl ester

4-Difluoromethoxy-3-methoxy-benzoic acid methyl ester

3-(3,5-Dimethyl-4-nitro-pyrazol-1-yl)-propionic acid methyl ester

(4-Bromo-5-methyl-pyrazol-1-yl)-acetic acid ethylester

(4-Chloro-5-methyl-3-nitro-pyrazol-1-yl)-acetic acid ethyl ester

(2-Chloro-phenoxy)-acetic acid ethyl ester

7-Difluoromethyl-5-phenyl-pyrazolo[1,5- a ]pyrimidine-3-carboxylic acid ethyl ester