2-Cyano-3-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 2-cyano-3-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate
2-Cyano-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-acetic acid