Methyl 4-hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-5-acetate
Ethyl 5-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 4-hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-2-acetate
2-Hydroxy-4-iodo-6-(trifluoromethoxy)pyridine-3-carbonyl chloride