acid red 18 aluminum lake

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IUPAC Name :aluminum;(8Z)-7-oxo-8-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonate
InChI :InChI=1/C20H14N2O10S3.Al/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;/h1-10,21H,(H,24,25,26)(H,27,28,29)(H,30,31,32);/q;+3/p-3/b22-20+;
Std.InChI: InChI=1S/C20H14N2O10S3.Al/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;/h1-10,21H,(H,24,25,26)(H,27,28,29)(H,30,31,32);/q;+3/p-3/b22-20+;
InChIKey :GDFMAEWFFOHLNU-NGQIEUIQBO
Std.InChIKey: GDFMAEWFFOHLNU-QPNALZDCSA-K
SMILES :C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N/N=C/3\C(=O)C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-].[Al+3]