4-Chloro-5-cyano-2-(difluoromethyl)pyridine-3-carboxaldehyde
3-(Aminomethyl)-5-bromo-4-(difluoromethyl)pyridine-2-acetic acid
4-Chloro-5-cyano-3-(difluoromethyl)pyridine-2-carboxaldehyde
3-(Aminomethyl)-5-bromo-2-(difluoromethyl)pyridine-4-acetic acid