Synonyms: N,N-DIETHYL-1-ETHANAMINIUM 3-(2-((E,2E,4E)-5-[1,1-DIMETHYL-3-(3-SULFONATOPROPYL)-1H-BENZO[E]INDOLIUM-2-YL]-2,4-PENTADIENYLIDENE)-1,1-DIMETHYL-1H-BENZO[E]INDOL-3-YL)-1-PROPANESULFONATE;SODIUM 3-(2-((E,2E,4E)-5-[1,1-DIMETHYL-3-(3-SULFONATOPROPYL)-1H-BENZO[E]INDOLIUM-2-YL]-2,4-PENTADIENYLIDENE)-1,1-DIMETHYL-1H-BENZO[E]INDOL-3-YL)-1-PROPANESULFONATE;1H-BENZ[E]INDOLIUM, 2-[5-[1,3-DIHYDRO-1,1-DIMETHYL-3-(3-SULFOPROPYL)-2H-BENZ[E]INDOL-2-YLIDENE]-1,3-PENTADIENYL]-1,1-DIMETHYL-3-(3-SULFOPROPYL)-, INNER SALT, SODIUM SALT