1,3-Naphthalenedisulfonic acid, 6,6'-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)azo]]bis[4-amino-5-hydroxy- 10534-74-4 (HEXASODIUM SALT) AIDS-000342 AIDS000342 Ink Blue PP Ink Blue PP (*hexasodium salt*) NSC34579 (HEXASODIUM SALT) NSC632493 (SODIUM SALT) Suramin analog Suramin analog (*hexasodium salt*)