2-Bromo-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile
6-Bromo-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
2-Bromo-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-Chloro-2-hydroxy-5-(trifluoromethoxy)pyridine-4-methanol