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