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26156-91-2 2-naphthalenesulfonic acid, 1-hydroxy-4-(phenylazo)-, monopotassiumsalt

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Product Name 2-Naphthalenesulfonic acid, 1-hydroxy-4-(phenylazo)-, monopotassiumsalt
CAS No. 26156-91-2
Molecular Formula C16H12N2O4S・K