6-Chloro-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-Chloro-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Chloro-5-cyano-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Chloro-4-cyano-3-(trifluoromethoxy)pyridine-2-carboxaldehyde