Ethyl 4-(chloromethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 4-(chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
Ethyl 4-(chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-5-carboxylate