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