4-Bromo-3-(chloromethyl)-2-(difluoromethyl)pyridine-6-carboxylic acid
Methyl 2-(difluoromethyl)-5-iodo-6-(trifluoromethyl)pyridine-3-acetate
4-Fluoro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Difluoromethyl)-5-methyl-4-nitropyridine-2-carboxylic acid