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

6-Chloromethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester

7-Trifluoromethyl-pyrazolo[1,5- a ]pyrimidine-3-carboxylic acid ethyl ester

(5,6-Dimethyl-4-oxo-4 H -thieno[2,3- d ]pyrimidin-3-yl)-acetic acid ethyl ester

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

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

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

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

(4-Bromo-pyrazol-1-yl)-acetic acid ethyl ester

2-(4-溴-1H-吡唑-1-基)乙酸乙酯

1-(2-Chloro-4-nitro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid methyl ester

1-(2,5-Dimethyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid methyl ester