5-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Chloromethyl)-5-cyano-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Chloromethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Fluoro-3-iodo-5-(trifluoromethoxy)pyridine-4-carboxaldehyde