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