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