4-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide
3-Hydroxy-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide
Ethyl 6-fluoro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate