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