4-Bromo-6-(difluoromethyl)-2-methylpyridine-3-acetonitrile
4-Bromo-2-(difluoromethyl)-3-methylpyridine-6-acetonitrile
Ethyl 3-bromo-2-(chloromethyl)-4-(difluoromethyl)pyridine-5-carboxylate
Ethyl 2-bromo-6-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxylate