5-(acetamido)-4-hydroxy-3-[[4-[[[3-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]amino]carbonyl]phenyl]azo]naphthalene-2,7-disulphonic acid, sodium salt

2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy- 3-[[4-[[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino ]carbonyl]phenyl]azo]-, sodium salt

5-(Acetylamino)-4-hydroxy-3-[[4-[[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]carbonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid/sodium,(1:x) salt