(delta(sup 2,2')-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt (delta2,2'-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt (delta2,2'-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt (8CI) 12070 Blue 1311 Blue 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt 2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid, disodium salt 860-22-0 A.F. Blue No. 2 AI3-09087 Acid Blue 74 Acid Blue W Acid Leather Blue IC Airedale Blue IN Amacid Brilliant Blue Aniline Carmine powder Atul Indigo Carmine Bucacid indigotine B C.I. 73015 C.I. 75781 C.I. ACID BLUE 74 C.I. Food Blue 1 C.I. Food Blue 1, disodium salt C.I. Natural Blue 2 CCRIS 1865 CI 73015 Canacert Indigo Carmine Carmine Blue (biological stain) Cilefa Blue R Dinatrium 3,3'-dioxo-(delta2,2'-biindolin)-5,5'-disulfonat