Methyl 4-(aminomethyl)-3-bromo-2-(difluoromethyl)pyridine-5-acetate
Methyl 5-(aminomethyl)-3-bromo-4-(difluoromethyl)pyridine-2-acetate
2-(Aminomethyl)-6-chloro-3-(difluoromethyl)-5-iodopyridine
5-Chloro-4-(difluoromethyl)-3-fluoropyridine-2-carboxaldehyde