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