4-Cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 3-cyano-4-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
Methyl 3-cyano-2-methyl-6-(trifluoromethoxy)pyridine-5-carboxylate