4-(Chloromethyl)-2-cyano-3-(difluoromethyl)pyridine-5-acetonitrile
Ethyl 2-cyano-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylate
3-(Chloromethyl)-4-cyano-5-(difluoromethyl)pyridine-2-acetonitrile
Methyl 4-cyano-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxylate