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