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