4-(Aminomethyl)-3-bromo-2-(difluoromethyl)pyridine-5-carboxaldehyde
4-(Aminomethyl)-2-bromo-6-(difluoromethyl)pyridine-3-carboxaldehyde
5-Bromo-3-(difluoromethyl)-4-nitropyridine-2-sulfonamide
4-(Aminomethyl)-2-bromo-5-(difluoromethyl)pyridine-3-carboxaldehyde