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1-[2-[4-(Sodiosulfo)phenyl]hydrazono]-2-oxo-1,2-dihydronaphthalene-6-sulfonic acid sodium salt CAS 2783-94-0 PubChem CID 17730
O=S(=O)([O-])c1ccc(N=Nc2c(O)ccc3cc(S(=O)(=O)[O-])ccc23)cc1.[Na+].[Na+] -
(5Z)-6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate CAS 2783-94-0 PubChem CID 5064267
O=S(=O)([O-])c1ccc(N=Nc2c(O)ccc3cc(S(=O)(=O)[O-])ccc23)cc1 -
disodium;6-hydroxy-5-(4-sulfonatophenyl)azo-naphthalene-2-sulfonate CAS 2783-94-0 PubChem CID 101009464
O=S(=O)([O-])c1ccc(N=Nc2c([O-])ccc3cc(S(=O)(=O)O)ccc23)cc1.[Na+].[Na+] -
6-hydroxy-5-[2-(4-sulfophenyl)diazen-1-yl]naphthalene-2-sulfonic acid disodium CAS 2783-94-0 PubChem CID 135520671
O=S(=O)(O)c1ccc(N=Nc2c(O)ccc3cc(S(=O)(=O)O)ccc23)cc1.[Na].[Na] -
O=S(=O)([O-])c1ccc(N=Nc2c(O)ccc3cc(S(=O)(=O)[O-])ccc23)cc1.[H-].[H-].[Na+].[Na+] -
O=S(=O)(O)c1ccc(N=Nc2c(O)ccc3cc(S(=O)(=O)O)ccc23)cc1.[Na]