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