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