3-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 3-iodo-4-methyl-2-(trifluoromethoxy)pyridine-5-carboxylate
3-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-4-carbonyl chloride
3-Hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-6-carbonyl chloride