3-Amino-4-hydroxy-5-(trifluoromethoxy)pyridine-2-sulfonamide
Methyl 3-amino-6-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Amino-2-iodo-3-methoxy-4-(trifluoromethoxy)pyridine
Methyl 5-amino-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate