Ethyl 3-bromo-4-(difluoromethyl)-2-methoxypyridine-5-carboxylate
2-(Aminomethyl)-6-bromo-3-(difluoromethyl)pyridine-5-acetonitrile
Ethyl 3-bromo-2-(difluoromethyl)-6-methoxypyridine-4-carboxylate
2-(Aminomethyl)-5-bromo-3-(difluoromethyl)pyridine-6-acetonitrile