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