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