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