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