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