Methyl 5-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-hydroxy-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate
3-(Fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-methanol
Methyl 2-hydroxy-5-methyl-3-(trifluoromethoxy)pyridine-4-acetate