2-Chloro-3-cyano-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
Ethyl 5-chloro-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-3-cyano-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 4-chloro-6-cyano-3-(trifluoromethoxy)pyridine-2-carboxylate