4-Bromo-5-(difluoromethyl)-1-ethyl-1H-pyrazole

4-bromo-1,5-dimethyl-1H-imidazole

1-ethyl-4-iodo-5-methyl-1H-imidazole

2-[3-(difluoromethyl)-4-iodo-1H-pyrazol-1-yl]butanoic acid

3-[3-(difluoromethyl)-4-nitro-1H-pyrazol-1-yl]propanoic acid

2-(3-isopropoxy-4-nitro-1H-pyrazol-1-yl)butanoic acid

2-methyl-2-[4-nitro-3-(3,3,3-trifluoropropoxy)-1H-pyrazol-1-yl]propanoic acid

4-[4-nitro-3-(2,2,2-trifluoroethoxy)-1H-pyrazol-1-yl]butanoic acid

3-[3-(2,2-difluoroethoxy)-4-nitro-1H-pyrazol-1-yl]propanoic acid

2-[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]propanoic acid

1-(2-tert-butoxy-1,1-dimethyl-2-oxoethyl)-1H-pyrazole-4-carboxylic acid