3-(Bromomethyl)-2-(difluoromethyl)-6-methylpyridine-5-acetonitrile
3-(Bromomethyl)-2-(difluoromethyl)-6-methylpyridine-4-acetonitrile
3-(Bromomethyl)-2-(difluoromethyl)-5-methylpyridine-6-acetonitrile
3-(Bromomethyl)-2-(difluoromethyl)-5-methylpyridine-4-acetonitrile