4-(3,4-Dimethoxy-phenyl)-2-oxo-2,3-dihydro-thiazole-5-carboxylic acid ethyl ester

5-(1,5-Dimethyl-1 H -pyrazol-4-yl)-isoxazole-3-carboxylic acid methyl ester

3-(4-Bromo-5-methyl-pyrazol-1-yl)-propionic acid methyl ester

1-(4-Fluoro-benzenesulfonyl)-piperidine-3-carboxylic acid ethyl ester

3-(3-Methoxy-4-nitro-pyrazol-1-yl)-propionic acidethyl ester

2-(5-Methyl-3-nitro-pyrazol-1-yl)-butyric acid ethyl ester

5-p-Tolyl-1H-pyrazole-3-carboxylic acid methyl ester

3-(4-Fluoro-phenoxymethyl)-benzoic acid methyl ester

1-(4-Fluoro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid methyl ester

3-(1-Methyl-1 H -pyrazol-3-yl)-3-oxo-propionic acid ethyl ester

1-(2-Nitro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid methyl ester