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