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