3-Bromo-2-(bromomethyl)-5-(trifluoromethoxy)pyridine-4-acetonitrile
6-Bromo-4-(bromomethyl)-3-nitro-2-(trifluoromethoxy)pyridine
3-Bromo-2-(bromomethyl)-4-(trifluoromethoxy)pyridine-5-acetonitrile
2-Bromo-6-(bromomethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile