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CAS 67627-18-3: tripotassium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5',7-trisulfonate

Formula:C16H7K3N2O11S3
InChI:InChI=1/C16H10N2O11S3.3K/c19-15-8-3-6(30(21,22)23)1-2-10(8)17-13(15)14-16(20)9-4-7(31(24,25)26)5-11(12(9)18-14)32(27,28)29;;;/h1-5,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b14-13+;;;
SMILES:c1cc2c(cc1S(=O)(=O)O)C(=O)C(=C1C(=O)c3cc(cc(c3N1)S(=O)(=O)O)S(=O)(=O)O)N2.K.K.K
Synonyms:
  • 1H-indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, potassium salt, (2E)- (1:3)
  • 1H-Indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, tripotassium salt
  • Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)indoline-5,7-disulfonate
  • tripotassium (2Z)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5',7-trisulfonate
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