Synonyms: Ammonium titanium oxalate;Diammonium dioxalato(oxo)titanate;Titanate(2-), bis(ethanedioato(2-)-O,O')oxo-, diammonium, (SP-5-21)-;Titanate(2-), bis(ethanedioato(2-)-kappaO1,kappaO2)oxo-, ammonium (1:2), (SP-5-21)-;Titanate(2-), bis(ethanedioato(2-)-kappaO1,kappaO2)oxo-, diammonium, (SP-5-21)-;ethanedioate, ammonium titanium(4+) salt (1:1:1)