3-Iodo-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetonitrile
5-(Fluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-2-acetonitrile
4-Iodo-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-acetonitrile
6-(Fluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine-3-acetonitrile