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