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