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