Ethyl 6-(bromomethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-4-acetate
5-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 2-(bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate