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