2-Bromo-4-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
5-(Aminomethyl)-4-bromo-3-(difluoromethyl)-2-methoxypyridine
5-(Aminomethyl)-4-bromo-2-(difluoromethyl)pyridine-3-carboxaldehyde
5-(Aminomethyl)-4-bromo-3-(difluoromethyl)pyridine-2-carboxaldehyde