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