3-(Chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Bromomethyl)-2-hydroxy-6-methyl-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-hydroxy-4-methyl-3-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine