Methyl 5-(chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
3-(Fluoromethyl)-5-hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-4-hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-4-hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine