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