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

5-(4-Nitro-pyrazol-1-ylmethyl)-furan-2-carboxylic acid hydrazide

5-(3-Methoxy-phenoxymethyl)-furan-2-carboxylic acid hydrazide

5-(4-Propyl-phenoxymethyl)-furan-2-carboxylic acid hydrazide

3-[5-(4-Bromo-phenyl)-furan-2-yl]-acrylic acid ethyl ester

4-Methyl-3-pyrrolidin-1-yl-benzoic acid methyl ester

2-Oxo-4- p -tolyl-2,3-dihydro-thiazole-5-carboxylic acid ethyl ester

2-Cyclopentylamino-4-trifluoromethyl-thiazole-5-carboxylic acid ethyl ester

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

6-Chloromethyl-4-(1-ethyl-1 H -pyrazol-4-yl)-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester

(2-Methyl-4-nitro-imidazol-1-yl)-acetic acid ethyl ester