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