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