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