Methyl 3-fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylate
5-(Bromomethyl)-2-cyano-3-fluoro-4-(trifluoromethoxy)pyridine
Methyl 3-fluoro-2-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate