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