Methyl 5-fluoro-4-iodo-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-fluoro-4-iodo-2-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-fluoro-6-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-fluoro-5-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate