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

1-Chloromethyl-1 H -pyrazole-4-carboxylic acid methyl ester

1-Methanesulfonyl-piperidine-3-carboxylic acid ethyl ester

5-Benzo[1,3]dioxol-5-yl-1 H -pyrazole-3-carboxylic acid methyl ester

5-(4-Difluoromethoxy-phenyl)-1 H -pyrazole-3-carboxylic acid methyl ester