Ethyl 4-iodo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate
Ethyl 4-iodo-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate
Ethyl 5-iodo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 3-iodo-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate