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