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