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