2-Bromo-6-(chloromethyl)-3-(difluoromethyl)pyridine-4-acetonitrile
6-Bromo-3-(chloromethyl)-2-(difluoromethyl)pyridine-4-acetonitrile
Methyl 6-bromo-3-(difluoromethyl)-4-methoxypyridine-2-acetate
2-Bromo-5-(chloromethyl)-4-(difluoromethyl)pyridine-3-acetonitrile