Methyl 3-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetate
6-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-2-methanol
Methyl 3-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-6-acetate