4-(Aminomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Aminomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Aminomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Aminomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid