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