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