Methyl 4-(aminomethyl)-2-bromo-5-(difluoromethyl)pyridine-3-carboxylate
5-(Bromomethyl)-4-chloro-2-cyano-3-(difluoromethyl)pyridine
Methyl 3-(aminomethyl)-5-bromo-6-(difluoromethyl)pyridine-2-carboxylate
5-(Bromomethyl)-4-chloro-3-cyano-2-(difluoromethyl)pyridine