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