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918634-71-6 2-naphthalenesulfonic acid,4-hydroxy-3-[2-[2-(2-hydroxyethoxy)-5-methyl-4-[2-(4-sulfophe

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Product Name 2-Naphthalenesulfonic acid,4-hydroxy-3-[2-[2-(2-hydroxyethoxy)-5-methyl-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2)
CAS No. 918634-71-6
Molecular Formula C31H27N5O9S2・2Na