5-(Bromomethyl)-2-chloro-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-(Bromomethyl)-3-chloro-6-(trifluoromethoxy)pyridine-2-acetonitrile
4-(Bromomethyl)-3-chloro-5-(trifluoromethoxy)pyridine-2-acetonitrile
4-(Bromomethyl)-3-chloro-2-(trifluoromethoxy)pyridine-5-acetonitrile