139-42-4 CERIUM OXALATE Cerium, (mu-(ethanedioato(2-)-kappaO1,kappaO2':kappaO1',kappaO2))bis(ethanedioato(2-)-kappaO1,kappaO2)di- Cerous oxalate EINECS 205-362-5 Tris(oxalate(2-))dicerium