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