Showing structure for (3e,5e,8s,9s,10s,11s,13r,15s,16e,18e,25s)-11-acetyl-2,11,20,27-tetrahydroxy-10-methyl-21,26-diazatetracyclo[23.2.1.0⁸,¹⁵.0⁹,¹³]octacosa-1,3,5,16,18,20,26-heptaen-28-one