2,7-Naphthalenedisulfonicacid,5-(acetylamino)-4-hydroxy-3-[[4-[[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]carbonyl]phenyl]azo]-(9CI); 2,7-Naphthalenedisulfonic acid,5-acetamido-4-hydroxy-3-[[p-[[m-[(2-hydroxyethyl)sulfonyl]phenyl]carbamoyl]phenyl]azo]-,hydrogen sulfate (ester) (7CI,8CI)
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