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