Ethyl 4-amino-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 6-amino-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Amino-6-bromo-3-(trifluoromethoxy)pyridine-5-sulfonamide
2-Amino-5-bromo-3-(trifluoromethoxy)pyridine-6-sulfonamide