2-[[2-[6-[[3-[[3-[3-[4-amino-7-[(2R,5R)-4-hydroxy-5-[[hydroxy-[hydroxy(phosphonooxy)phosphoryl]oxyphosphoryl]oxymethyl]oxolan-2-yl]pyrrolo[2,3-d]pyrimidin-5-yl]prop-2-ynylamino]-3-oxopropyl]disulfanyl]-2-[6-[2-[5-(1-ethyl-3,3,5-trimethylindol-2-ylidene)penta-1,3-dienyl]-3,3-dimethyl-5-sulfoindol-1-ium-1-yl]hexanoylamino]propanoyl]amino]hexanoylamino]-3-carboxypropanoyl]amino]butanedioic acid