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