4,4'-((2,2'-Disulpho(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,6-dihydroxy-m-phenylene)azo))bis(5-hydroxy-6-((4-nitrophenyl)azo)naphthalene-2,7-disulphonic) acid, sodium salt | 93804-98-9

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4,4'-((2,2'-Disulpho(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,6-dihydroxy-m-phenylene)azo))bis(5-hydroxy-6-((4-nitrophenyl)azo)naphthalene-2,7-disulphonic) acid, sodium salt

sodium;5-[[5-[[4-[4-[[2,4-dihydroxy-5-[[8-hydroxy-7-[(4-nitrophenyl)diazenyl]-3,6-disulfonaphthalen-1-yl]diazenyl]phenyl]diazenyl]-2-sulfophenyl]-3-sulfophenyl]diazenyl]-2,4-dihydroxyphenyl]diazenyl]-4-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic acid