Methyl 2-(bromomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 6-hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-hydroxy-6-methyl-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate