Ethyl 3-(fluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 4-iodo-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetate
Methyl 3-iodo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
Methyl 3-iodo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetate