2-(Chloromethyl)-3-(difluoromethyl)-6-methoxypyridine-4-acetonitrile
2-(Chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-6-acetonitrile
2-(Chloromethyl)-3-(difluoromethyl)-5-methoxypyridine-4-acetonitrile
3-(Bromomethyl)-6-(difluoromethyl)-2-methoxypyridine-5-acetonitrile