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