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929537-76-8 2,7-naphthalenedisulfonic acid,5-[2-(2,4-dihydroxyphenyl)diazenyl]-4-hydroxy-3-[2-(4-nit

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Product Name 2,7-Naphthalenedisulfonic acid,5-[2-(2,4-dihydroxyphenyl)diazenyl]-4-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
CAS No. 929537-76-8
Molecular Formula C22H15N5O11S2・2Na