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6226-93-3 1-naphthalenesulfonic acid,4,5-dihydroxy-3-[[4-(phenylazo)phenyl]azo]-, monosodium salt

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Product Name 1-Naphthalenesulfonic acid,4,5-dihydroxy-3-[[4-(phenylazo)phenyl]azo]-, monosodium salt
CAS No. 6226-93-3
Molecular Formula C22H16N4O5S・Na