3-(Chloromethyl)-2-cyano-6-(difluoromethyl)pyridine-5-carboxaldehyde
4-(Chloromethyl)-3-cyano-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-cyano-2-(difluoromethyl)pyridine-4-methanol
3-(Chloromethyl)-5-cyano-2-(difluoromethyl)-6-(trifluoromethyl)pyridine