fd&c blue no. 2 (c.i. 73015 (Na))

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IUPAC Name :disodium;(2E)-3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid
InChI :InChI=1/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/b14-13+;;
Std.InChI: InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/b14-13+;;
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InChIKey :KHLVKKOJDHCJMG-QDBORUFSBR
Std.InChIKey: KHLVKKOJDHCJMG-QDBORUFSSA-N
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SMILES :C1=CC2=C(C=C1S(=O)(=O)O)C(=O)C(=C3C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)O)N2.[Na+].[Na+]
MDL: MFCD00005723