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