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