8,8',8'',8'''-(carbonylbis(imino-5,13-benzenetriyl-bis(carbonylimino)))tetrakisnaphthalene-1,3,5-trisulfonic acid
8,8',8'',8'''-(carbonylbis(imino-5,13-benzenetriyl-bis(carbonylimino)))tetrakisnaphthalene-1,3,5-trisulfonic acid