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