disodium methylene dinaphthalenesulfonate

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IUPAC Name :disodium;2-[(1-sulfonatonaphthalen-2-yl)methyl]naphthalene-1-sulfonate
InChI :InChI=1/C21H16O6S2.2Na/c22-28(23,24)20-16(11-9-14-5-1-3-7-18(14)20)13-17-12-10-15-6-2-4-8-19(15)21(17)29(25,26)27;;/h1-12H,13H2,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
Std.InChI: InChI=1S/C21H16O6S2.2Na/c22-28(23,24)20-16(11-9-14-5-1-3-7-18(14)20)13-17-12-10-15-6-2-4-8-19(15)21(17)29(25,26)27;;/h1-12H,13H2,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
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InChIKey :DWHOIYXAMUMQTI-NUQVWONBAN
Std.InChIKey: DWHOIYXAMUMQTI-UHFFFAOYSA-L
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SMILES :[Na+].[Na+].[O-]S(=O)(=O)c3c4ccccc4ccc3Cc2ccc1ccccc1c2S([O-])(=O)=O