Showing structure for methyl (1r,2r)-4-{[(2r,4s,5s,6s)-5-{[(5s,12s,14s)-5,14-dimethyl-6-oxo-2,4,9,13-tetraoxatricyclo[8.4.0.0³,⁸]tetradecan-12-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