2-Amino-3-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Amino-4-(fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
2-Amino-3-(fluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine
5-Amino-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde