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