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