3-(Aminomethyl)-4-bromo-2-(difluoromethyl)pyridine-5-carboxaldehyde
3-Bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-6-carboxaldehyde
4-(Aminomethyl)-3-bromo-6-(difluoromethyl)pyridine-2-methanol
3-Bromo-2-(chloromethyl)-4-(difluoromethyl)pyridine-6-carboxaldehyde