5-(4- tert -Butyl-phenoxymethyl)-furan-2-carboxylic acid hydrazide

2-Isopropylamino-4-methyl-thiazole-5-carboxylic acid ethyl ester

2-(5-Methyl-3-nitro-pyrazol-1-yl)-propionic acid ethyl ester

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

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

2-(1,5-Dimethyl-1 H -pyrazol-4-yl)-quinoline-4-carboxylic acid methyl ester

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

1-(1-Ethyl-3-methyl-1 H -pyrazole-4-sulfonyl)-piperidine-3-carboxylic acid ethyl ester

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

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

4-(1,5-Dimethyl-1 H -pyrazol-4-yl)-2,4-dioxo-butyric acid methyl ester