Methyl 3-(bromomethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 4-iodo-3-methyl-5-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-iodo-2-methyl-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-iodo-4-methyl-5-(trifluoromethoxy)pyridine-2-acetate