(3,4-Diethoxy-phenyl)-acetic acid hydrazide

(2-Methyl-thiazol-4-yl)-acetic acid ethyl ester

2- sec -Butylamino-4-trifluoromethyl-thiazole-5-carboxylic acid ethyl ester

4-(1-Ethyl-1 H -pyrazol-4-yl)-2,4-dioxo-butyric acid methyl ester

4-Chloromethyl-5-methyl-isoxazole-3-carboxylic acid ethyl ester

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

2-Ethyl-5-trifluoromethyl-2 H -pyrazole-3-carboxylic acid ethyl ester

2-(1-Ethyl-3-methyl-1 H -pyrazol-4-yl)-quinoline-4-carboxylic acid methyl 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