3-Bromo-4-fluoro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 3-bromo-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Bromo-3-iodo-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 5-bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate