2-Cyano-4-hydroxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Methyl 3-cyano-5-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Cyano-5-methyl-4-(trifluoromethoxy)pyridine-2-acetonitrile