6-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-2-carboxylic acid
Methyl 2-(chloromethyl)-3-cyano-5-(difluoromethyl)pyridine-6-acetate
2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-5-carboxylic acid
2-(Aminomethyl)-5-cyano-6-(difluoromethyl)pyridine-3-acetic acid