Methyl 4-amino-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
2-Amino-4-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
Methyl 5-amino-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-amino-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate