2-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Bromo-5-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-Bromo-6-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
3-Bromo-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-acetonitrile