4-(Fluoromethyl)-5-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-3-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine
2-(Chloromethyl)-4-fluoro-5-methoxy-3-(trifluoromethoxy)pyridine
2-Fluoro-6-(fluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine