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