2-Amino-5-nitro-6-(trifluoromethoxy)pyridine-3-acetic acid
2-Amino-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Amino-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylic acid