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