Synonyms: 2,7-Naphthalenedisulfonicacid, 6-(acetylamino)-3-[[4-(aminosulfonyl)phenyl]azo]-4-hydroxy-, disodiumsalt (9CI); 2,7-Naphthalenedisulfonic acid,6-acetamido-4-hydroxy-3-[(p-sulfamoylphenyl)azo]-, disodium salt (8CI); A 2759;Azosulfamide; Disodium 2-(4'-sulfamylphenylazo)-7-acetamido-1-hydroxynaphthalene-3,6-disulfonate;Disodium Neoprontosil; Drometil; Leuconeoprontosil; Neoprontosil disodium salt;Neoprontosil sodium; Prontosil S; Prontosil soluble; Streptocid Rubrim;Streptozon II; Streptozon S