Methyl 5-cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
4-(Aminomethyl)-3-cyano-6-hydroxy-2-(trifluoromethoxy)pyridine
5-Chloro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid