(2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one (2E)-2-(3-oxoindolin-2-ylidene)indolin-3-one (2E)-2-(3-oxo-2-indolinylidene)-3-indolinone (2E)-2-(3-ketoindolin-2-ylidene)pseudoindoxyl 12000-74-7 12626-73-2 93660-98-1 68651-46-7 11129-41-2 ST5308404 delta(sup 2,2')-Bipseudoindoxyl ZINC03861636 NCGC00163355-01 Indigo (dye) Indigo,natural Indigo Indigo Blue (2,2'-Biindoline)-3,3'-dione (delta(sup 2,2')-Biindoline)-3,3'-dione (delta2,2'(3H,3'H)-Biindole)-3,3'-dione (delta2,2'-Biindoline)-3,3'-dione (delta2,2'-Biindoline)-3,3'-dione (8CI) 2-(1,3-Dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-o- ne 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 5-24-08-00503 (Beilstein Handbook Reference) AI3-09080 BRN 0088275 CCRIS 4379 CI 73000 CI Pigment Blue 66 CI Vat Blue 1 D & C Blue No. 6 D&C Blue No. 6 EINECS 207-586-9 HSDB 4372 Indigo (VAN) Lithosol Deep Blue V Modr Kypova 1 [Czech] NCI-C61392 NSC 8645 Indigotin delta2,2'-Bipseudoindoxyl 229296_ALDRICH MEGxp0_001924 ACon1_002192