2-Cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-4-acetonitrile
Ethyl 4-(chloromethyl)-3-cyano-6-(difluoromethyl)pyridine-2-acetate
Ethyl 4-(chloromethyl)-2-cyano-3-(difluoromethyl)pyridine-6-acetate
2-(Bromomethyl)-4-cyano-5-(difluoromethyl)pyridine-3-acetonitrile