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