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1-Naphthalenesulfonic acid, 3-hydroxy-4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-7-nitro-, sodium salt (1:1) CAS 3618-58-4 PubChem CID 19237
O=[N+]([O-])c1ccc2c(N=Nc3c(O)ccc4ccccc34)ccc(S(=O)(=O)[O-])c2c1.[Na+] -
O=C1C=Cc2ccccc2C1=NN=C1C(=O)C=C([S+](=O)(O)O)c2cc(N([O-])O)ccc21.[Na+] -
O=[N+]([O-])c1ccc2c(N=Nc3c(O)ccc4ccccc34)c(O)cc(S(=O)(=O)[O-])c2c1.[Na+] -
1-Naphthalenesulfonic acid, 3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-, monosodium salt CAS 3618-58-4 PubChem CID 135534311
O=[N+]([O-])c1ccc2c(N=Nc3c(O)ccc4ccccc34)c(O)cc(S(=O)(=O)O)c2c1.[Na+] -
O=[N+]([O-])c1ccc2c(N=Nc3c(O)ccc4ccccc34)c(O)cc(S(=O)(=O)O)c2c1.[Na] -
sodium;3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonate CAS 3618-58-4 PubChem CID 170839387
O=[N+]([O-])c1ccc2c(N=Nc3c([O-])ccc4ccccc34)c(O)cc(S(=O)(=O)O)c2c1.[Na+]