Ethyl 4-chloro-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-chloro-5-cyano-6-(trifluoromethoxy)pyridine-2-carboxylate
2-Chloro-6-iodo-5-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 3-chloro-5-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate