Methyl 2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-5-acetate
3-Fluoro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-methanol
3-Fluoro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
6-Fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid