112008-42-1 69696-88-4 86570-66-3 867-64-1 EINECS 212-766-5 Gadolinium oxalate Gadolinium, (mu-(ethanedioato(2-)-kappaO1,kappaO2':kappaO1',kappaO2))bis(ethanedioato(2-)-kappaO1,kappaO2)di- Tris(oxalato(2-))digadolinium