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