Ethyl 4-bromo-2-(difluoromethyl)-3-iodopyridine-6-carboxylate
2-(Aminomethyl)-5-bromo-4-(difluoromethyl)pyridine-3-carboxaldehyde
2-(Aminomethyl)-5-bromo-3-(difluoromethyl)pyridine-4-carboxaldehyde
2-(Aminomethyl)-4-bromo-5-(difluoromethyl)pyridine-3-carboxaldehyde