 
3-Bromo-2-(difluoromethyl)-4-iodo-6-(trifluoromethoxy)pyridine
 
 
3-Bromo-4-methoxy-6-(trifluoromethoxy)pyridine-2-acetonitrile
 
 
3-Bromo-4-methoxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
 
 
2-Bromo-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-methanol