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