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660838-82-4 2-naphthalenesulfonic acid,7-amino-4-hydroxy-3-[[4-(phenylazo)phenyl]azo]-, monosodium s

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Product Name 2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-[[4-(phenylazo)phenyl]azo]-, monosodium salt
CAS No. 660838-82-4
Molecular Formula C22H17N5O4S・Na