Methyl 4-bromo-2-(difluoromethyl)-3-iodopyridine-6-acetate
Methyl 2-(aminomethyl)-3-bromo-4-(difluoromethyl)pyridine-5-carboxylate
Methyl 5-bromo-3-(difluoromethyl)-2-iodopyridine-4-acetate
3-(Aminomethyl)-6-bromo-2-(difluoromethyl)pyridine-5-carboxylic acid