Methyl 6-chloro-4-cyano-3-(difluoromethyl)pyridine-2-carboxylate
4-Chloro-5-cyano-3-(difluoromethyl)pyridine-2-carboxylic acid
2-(Aminomethyl)-3-bromo-4-(difluoromethyl)pyridine-6-carboxylic acid
4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-6-carboxaldehyde