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