Ethyl 3-fluoro-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Fluoro-3-nitro-4-(trifluoromethoxy)pyridine-6-sulfonamide
Ethyl 4-fluoro-6-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Fluoro-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride