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