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