7-Acetamido-4-hydroxy-3-[[6-sulfo-8-[[2-(sulfooxy)ethyl]sulfonyl]-2-naphthyl]azo]naphthalene-2-sulphonic acid

7-(acetylamino)-4-hydroxy-3-[[6-sulfo-8-[[2-(sulfooxy)ethyl]sulfonyl]2-naphthalenyl]azo]-2-naphthalenesulfonic acid ; 7-acetamido-4-hydroxy-3-[[6-sulpho-8-[[2-(sulphooxy)ethyl]sulphonyl]-2-naphthyl]azo]naphthalene-2-sulphonic acid ; 7-acetamido-4-hydroxy-3-((6-sulpho-8-((2-(sulphooxy)ethyl)sulphonyl)-2-naphthyl)azo)naphthalene-2-sulphonic acid ; 6-acetylamino-1-hydroxy-8'-(2-sulfooxyethylsulfonyl)[2,2'-azobisnaphthalene]-3,6'-disulfonic acid