Ethyl 2-fluoro-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 5-fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetate
2-Fluoro-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 4-fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate