4-(Bromomethyl)-5-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
4-(Aminomethyl)-5-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine
4-Hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylic acid
4-(Aminomethyl)-3-hydroxy-5-iodo-2-(trifluoromethoxy)pyridine