Methyl 2-amino-6-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
5-Amino-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Amino-2-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Amino-3-hydroxy-5-(trifluoromethoxy)pyridine-4-acetic acid