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89503-27-5 1,5-naphthalenedisulfonic acid,3-[[4-[(4-amino-5-sulfo-1-naphthalenyl)azo]-6-sulfo-1-naph

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Product Name 1,5-Naphthalenedisulfonic acid,3-[[4-[(4-amino-5-sulfo-1-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-,tetrasodium salt
CAS No. 89503-27-5
Molecular Formula C30H21N5O12S4・4Na