Synonyms: disodium 4-acetamido-5-hydroxynaphthalene-2,7-disulfonate;NSC 74489;2,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-, disodium salt;AC1L2JOP;AC1Q1UTY;AC1Q1UXV;16698-16-1;134-34-9 (Parent);EINECS 240-746-6;AR-1I6510;A806766;disodium 4-acetamido-5-oxidanyl-naphthalene-2,7-disulfonate;disodium 4-(acetylamino)-5-hydroxynaphthalene-2,7-disulfonate;Disodium 4-(acetylamino)-5-hydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-, sodium salt (1:2)