1-ethyl-5-fluoro-1H-pyrazole-4-sulfonyl chloride

3-(Difluoromethyl)-1-ethyl-1H-pyrazole

3-(Difluoromethyl)-4-iodo-1-methyl-1H-pyrazole

Methyl 5-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate

ethyl 1-ethyl-3-nitro-1H-pyrazole-5-carboxylate

6-(Difluoromethyl)-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid

3-(bromomethyl)-1-ethyl-1H-pyrazole

1-(1-ethyl-5-fluoro-3-methyl-1H-pyrazol-4-yl)methanamine

1-ethyl-5-hydrazino-1H-pyrazole

3-(3-chloro-1H-1,2,4-triazol-1-yl)propanoic acid

3-(bromomethyl)-1-propyl-1H-pyrazole

4'-amino-1'-ethyl-1'H-1,3'-bipyrazole-3-carboxylic acid

ethyl 2-(3-ethoxy-4-nitro-1H-pyrazol-1-yl)butanoate

3-(3-ethoxy-4-nitro-1H-pyrazol-1-yl)propanoic acid

2-methyl-2-(5-methyl-1H-pyrazol-1-yl)propanoic acid