4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-5-acetonitrile
3-(Aminomethyl)-5-bromo-6-(difluoromethyl)pyridine-2-acetonitrile
Methyl 2-bromo-6-(difluoromethyl)-3-iodopyridine-5-carboxylate
Methyl 2-bromo-5-(difluoromethyl)-6-iodopyridine-3-carboxylate