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