Methyl 2-bromo-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-bromo-4-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 6-bromo-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-bromo-2-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylate