Methyl 4-cyano-3-hydroxy-6-(trifluoromethoxy)pyridine-2-acetate
2-(Chloromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-6-methanol
Methyl 4-cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-6-acetate
2-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-5-methanol