6-Cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Cyano-6-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
Methyl 2-cyano-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
5-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol