21817-66-3 2,7-naphthalenedisulfonic acid,4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-

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Product Name	2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-
CAS No.	21817-66-3
Molecular Formula	C₁₆H₁₂N₄O₉S₂

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