Synonyms: | 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-, coupled with diazotized 2-(4-aminophenyl)sulfonylethyl hydrogen sulfate and diazotized 2-amino-5-2-(sulfooxy)ethylsulfonylbenzenesulfonic acid, potassium sodium salts;7-Amino-4-hydroxy-2-naphthalenesulfonic acid coupled with diazotized 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate and diazotized 2-amino-5-[[2-(sulfooxy) ethyl]sulfonyl]benzenesulfonic acid, potassium sodium salts |