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