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