4-(Difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-(Difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Difluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Bromomethyl)-4-(difluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine