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