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