2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]carbonyl]amino]-3-[(6-sulfo-2-naphthalenyl)azo]-, trisodium salt 6330-95-6 AIDS-030070 AIDS030070 NSC45616 Naphthalenedisulfonic acid der.