5-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 4-cyano-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
4-Fluoro-2-hydroxy-5-(trifluoromethoxy)pyridine-3-methanol