The molecule is an organic trisodium salt having 2-(5-{7-[bis(3-sulfonatopropyl)amino]-2-tert-butylchromenium-4-yl}penta-2,4-dien-1-ylidene)-3-(3-carboxypropyl)-3-methyl-1-(3-sulfonatopropyl)indoline-5-sulfonate as the counterion. It has a role as a fluorochrome. It contains a DY-734(3-).
trisodium;(2E)-2-[(2E,4E)-5-[7-[bis(3-sulfonatopropyl)azaniumylidene]-2-tert-butylchromen-4-yl]penta-2,4-dienylidene]-3-(3-carboxypropyl)-3-methyl-1-(3-sulfonatopropyl)indole-5-sulfonate