Ethyl 4-methoxy-5-nitro-2-(trifluoromethoxy)pyridine-3-acetate
2-Methoxy-3-methyl-4-(trifluoromethoxy)pyridine-5-acetonitrile
6-(Chloromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-acetonitrile
2-(Chloromethyl)-6-iodo-4-(trifluoromethoxy)pyridine-3-acetonitrile