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