2-Naphthalene sulfonic acid der. 2-Naphthalene sulfonic acid,3[(4-amino-5-methoxy-2-methylphenyl)azo]-3'-[(6-sulfo-2-naphthyl)azo]-7,7'-(carbonyldiimino)bis[4-hydroxy-, trisodium salt 7153-93-7 (TRISODIUM SALT) AIDS-030530 AIDS030530 NSC58058 (TRISODIUM SALT)