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