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