2-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetonitrile
2-Bromo-3-(difluoromethyl)pyridine-4-methanol
3-(Chloromethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
5-Bromo-2-(difluoromethyl)pyridine-3-acetonitrile