food red 4

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IUPAC Name :disodium (5Z)-6-oxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2-sulfonate
InChI :InChI=1/C20H14N2O7S2.2Na/c23-18-9-5-12-11-13(30(24,25)26)6-7-14(12)20(18)22-21-17-8-10-19(31(27,28)29)16-4-2-1-3-15(16)17;;/h1-11,21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-20-;;
Std.InChI: InChI=1S/C20H14N2O7S2.2Na/c23-18-9-5-12-11-13(30(24,25)26)6-7-14(12)20(18)22-21-17-8-10-19(31(27,28)29)16-4-2-1-3-15(16)17;;/h1-11,21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-20-;;
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InChIKey :XYTVLRKJXNXOOI-XVJIAILDBW
Std.InChIKey: XYTVLRKJXNXOOI-CAPIVQQTSA-L
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SMILES :C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N/N=C\3/C4=C(C=CC3=O)C=C(C=C4)S(=O)(=O)[O-].[Na+].[Na+]
MDL: MFCD00191366