4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-6-carboxaldehyde
Methyl 3-chloro-4-cyano-5-(difluoromethyl)pyridine-2-acetate
Methyl 2-chloro-6-cyano-4-(difluoromethyl)pyridine-3-acetate
3-Chloro-2-cyano-5-(difluoromethyl)pyridine-4-carbonyl chloride