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89784-92-9 1,2-benzenedisulfonic acid, 4-[[2,4-diamino-5-(phenylazo)phenyl]azo]-

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Product Name 1,2-Benzenedisulfonic acid, 4-[[2,4-diamino-5-(phenylazo)phenyl]azo]-
CAS No. 89784-92-9
Molecular Formula C18H16N6O6S2