4-Amino-2-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Amino-2-bromo-4-(trifluoromethoxy)pyridine-3-sulfonamide
6-Amino-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde