Methyl 4-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 5-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-iodo-4-methyl-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-(fluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate