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