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