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