Methyl 6-(fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate
2-(Fluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-4-acetic acid
2-(Chloromethyl)-4-iodo-3-nitro-6-(trifluoromethoxy)pyridine
Methyl 2-(fluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate