2-(Difluoromethyl)-5-fluoro-3-hydroxypyridine-4-acetonitrile
Ethyl 6-(chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-2-acetate
Ethyl 2-(chloromethyl)-5-cyano-3-(difluoromethyl)pyridine-4-acetate
3-(Bromomethyl)-6-(difluoromethyl)-2-fluoro-5-hydroxypyridine