Ethyl 2-cyano-4-iodo-5-(trifluoromethoxy)pyridine-3-carboxylate
2-(Chloromethyl)-5-cyano-3-iodo-4-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-cyano-5-iodo-6-(trifluoromethoxy)pyridine
Methyl 3-cyano-6-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate