6-Hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-(Chloromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-3-sulfonamide
2-Hydroxy-5-methyl-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride