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