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87491-44-9 1-naphthalenesulfonic acid,4-hydroxy-3-[(3-hydroxy-4-oxo-1(4h)-naphthalenylidene)amino]-

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Product Name 1-Naphthalenesulfonic acid,4-hydroxy-3-[(3-hydroxy-4-oxo-1(4H)-naphthalenylidene)amino]-
CAS No. 87491-44-9
Molecular Formula C20H13NO6S