3-Methyl-6-nitro-2-(trifluoromethoxy)pyridine-4-acetonitrile
6-(Chloromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Chloromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
5-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-3-acetonitrile