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

1-(Thiophene-2-sulfonyl)-piperidine-3-carboxylic acid ethyl ester

3-(1-Methanesulfonyl-3,5-dimethyl-1 H -pyrazol-4-yl)-propionic acid ethyl ester

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

2-(4-Nitro-pyrazol-1-yl)-butyric acid ethyl ester

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

1-(4-Bromo-2-chloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid methyl ester

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

(4-Chloro-3,5-dimethyl-pyrazol-1-yl)-acetic acid ethyl ester

1-(4-Chloro-3,5-dimethyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid methyl ester

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

5-(2-Benzyl-phenoxymethyl)-furan-2-carboxylic acid methyl ester

4-(1,3-Dimethyl-1 H -pyrazol-4-yl)-2,4-dioxo-butyric acid methyl ester

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

4-(2,4-二氯-苯基)-2,4-二氧代丁酸甲酯

1H-Pyrazole-5-carboxylic acid ethyl ester

吡唑-3-羧酸乙酯