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