4-Amino-5-hydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
3-Amino-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-Amino-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-3-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde