4-(Chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
3-(Chloromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
3-Hydroxy-2-methyl-5-(trifluoromethoxy)pyridine-4-acetonitrile
3-(Chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetic acid