Ethyl 2-(chloromethyl)-6-cyano-4-(trifluoromethoxy)pyridine-3-acetate
2-(Chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 2-(chloromethyl)-5-cyano-6-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-fluoro-2-iodo-3-(trifluoromethoxy)pyridine-6-acetate