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