3-(Aminomethyl)-2-bromo-5-(difluoromethyl)pyridine-4-acetic acid
4-Chloro-2-cyano-3-(difluoromethyl)pyridine-6-carboxaldehyde
3-(Aminomethyl)-2-bromo-4-(difluoromethyl)pyridine-5-acetic acid
5-Chloro-3-cyano-2-(difluoromethyl)pyridine-4-carboxaldehyde