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