Synonyms: Gadomelitol;P-792;Vistarem;Hydrogen [[1,1',1'',1''',1'''',1''''',1'''''',1''''''',1'''''''',1''''''''',1'''''''''',1''''''''''',1'''''''''''',1''''''''''''',1'''''''''''''',1'''''''''''''''-[(1,4,7,10-tetraazacyclododecane-1,4,7,10-tetrayl-kappaN1,kappaN4,kappaN7,kappaN10)tetrakis[[4-(carboxy-kappaO)-1-oxo-4,1-butanediyl]imino(1-oxo-2,1-ethanediyl)imino-4,1-phenylenecarbonylimino-4,1-phenylenecarbonylimino(1-oxo-2,1-ethanediyl)imino(2,4,6-tribromo-5,1,3-benzenetriyl)bis(carbonylnitrilo)]]hexadecakis[1-deoxy-D-glucitolato]](4-)]gadolinate(1-)