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