Showing structure for 10-[(3-carboxy-5-hydroxy-4,6,9-trimethyl-10-oxo-2-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}anthracen-9-yl)peroxy]-3,8-dihydroxy-1,7,10-trimethyl-9-oxoanthracene-2-carboxylic acid