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