Sel disodique du carmin d'indigo

2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3-dihydro-3-oxo-1h-indole-5-sulfonic acid ; (2e)-3-oxo-2-(3-oxo-5-sulfo-1,3-dihydro-2h-indol-2-ylidene)indoline-5-sulfonic acid ; indigo carmine (acid form) ; 1h-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3-dihydro-3-oxo-, (2e)- ; (2e)-3-oxo-2-(3-oxo-5-sulfo-1,3-dihydro-2h-indol-2-ylidene)-5-indolinesulfonic acid ; acid blue w ; acid blue 74 ; indigotindisulfonic acid ; 5,5'-indigotindisulfonic acid ; 2-(1,3-dihydro-3-oxo-5-sulpho-2h-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid ; fd & c blue no. 2 ; carmine blue ; food blue no.2 ; indigotine 1. ; 3,3'-dioxo-2,2'-bis-indolyden-5,5'-disulfonic acid ; (2e)-3-oxo-2-(3-oxo-5-sulfo-2-indolinylidene)-5-indolinesulfonic acid ; (2e)-3-oxo-2-(3-oxo-5-sulfo-indolin-2-ylidene)indoline-5-sulfonic acid ; indigo-5,5'-disulfonic acid ; indigo carmine free acid ; 3-oxo-2-[(2e)-3-oxo-5-sulfo-1h-indol-2-ylidene]-1h-indole-5-sulfonic acid ; 2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-3-oxoindoline-5-sulfonic acid ; unii:x7oi7jf73p ; 3-oxo-2-(3-oxo-5-sulfo-2,3-dihydro-1h-indol-2-ylidene)-2,3-dihydro-1h-indole-5-sulfonic acid ; 3-oxo-2-(3-oxo-5-sulfo-1h-indol-2-ylidene)-1h-indole-5-sulfonic acid ; indigotindisulfonate ; (2e)-3-oxo-2-(3-oxo-5-sulfo-1h-indol-2-ylidene)-1h-indole-5-sulfonic acid ; (2e)-3-oxo-2-(3-oxo-5-sulfo-1,3-dihydro-2h-indol-2-ylidene)-2,3-dihydro-1h-indole-5-sulfonic acid ; 3-oxo-2-(3-oxo-5-sulfo(1h-benzo[d]azolin-2-ylidene))-1h-benzo[d]azoline-5-sulfonic acid