5-(Fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol
3-Hydroxy-4-methyl-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-(Fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-methanol
6-Hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride