3-(Bromomethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 4-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 5-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-2-acetate
5-Hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-4-acetic acid