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