4-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 5-chloro-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
4-(Chloromethyl)-2-cyano-3-methyl-6-(trifluoromethoxy)pyridine
4-Cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid