2-(Chloromethyl)-5-cyano-3-(difluoromethyl)pyridine-6-carboxylic acid
2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-6-carboxylic acid
Ethyl 6-(chloromethyl)-4-cyano-2-(difluoromethyl)pyridine-3-carboxylate
Methyl 5-(chloromethyl)-3-cyano-2-(difluoromethyl)pyridine-4-carboxylate