4-(3-Nitro-phenyl)-2,4-dioxo-butyric acid methyl ester

(3-Cyclopropyl-5-difluoromethyl-pyrazol-1-yl)-acetic acid ethyl ester

3-(3-Nitro-pyrazol-1-yl)-propionic acid methyl ester

5-(4-Ethoxy-phenoxymethyl)-furan-2-carboxylic acid methyl ester

5- m -Tolyloxymethyl-furan-2-carboxylic acid methyl ester

2-(3-Methoxy-4-nitro-pyrazol-1-yl)-propionic acidmethyl ester

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

1-Methyl-1 H -pyrazole-3,5-dicarboxylic acid diethyl ester

4-(4-Bromo-phenoxymethyl)-benzoic acid methyl ester

4-(4-Chloro-pyrazol-1-ylmethyl)-benzoic acid methyl ester

3-(2-Chloro-phenoxymethyl)-benzoic acid methyl ester