Methyl 2-(bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 6-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-(bromomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-4-acetate
4-(Bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid