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直接黑51 [CI 27720]
Benzoic acid, 3(or5)-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-2-hydroxy-,sodium salt (1:2)
CAS号: 34977-63-4
SMILES: C1=CC=C2C(=C1)C(=CC=C2N=NC3=C(C=C4C=CC(=CC4=C3[O-])N)S(=O)(=O)[O-])N=NC5=CC=CC(=C5O)C(=O)O.[Na+].[Na+]
EC号: 252-305-5
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