2040-52-0 EINECS 218-038-3 Ethanedioic acid, thorium(4+) salt (2:1) NSC 112248 Oxalic acid, thorium(4+) salt (2:1) (8CI) Thorium dioxalate Thorium oxalate Thorium, bis(ethanedioato(2-)-O,O')- (9CI) Thorium, bis(ethanedioato(2-)-kappaO1,kappaO2)-, (T-4)- Thorium, bis[ethanedioato(2-)-O,O']-