Ethyl 4-iodo-6-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 5-iodo-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-iodo-5-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-iodo-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate