Showing structure for [(z)-[(3r)-3-({2-[(3s)-2,3-dihydroxyindol-3-yl]acetyl}oxy)-1-{[(2r,3s,4r,5r,6s)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]sulfanyl}pent-4-en-1-ylidene]amino]oxysulfonic acid