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