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