Showing structure for (8r)-8-ethyl-1,6,7,8,11-pentahydroxy-10-{[5-({4-hydroxy-6-methyl-5-[(6-methyl-5-oxooxan-2-yl)oxy]oxan-2-yl}oxy)-6-methyloxan-2-yl]oxy}-7,9,10,11a-tetrahydro-5ah-tetracene-5,12-dione