Showing structure for methyl 4-{[5-({5-[(3-amino-6-methyl-5-oxo-2,6-dihydropyran-2-yl)oxy]-4-hydroxy-6-methyloxan-2-yl}oxy)-4-(dimethylamino)-6-methyloxan-2-yl]oxy}-2-ethyl-2,5,7-trihydroxy-6,11-dioxo-3,4-dihydro-1h-tetracene-1-carboxylate