Showing structure for (3z,5z,9s,10s,12s,13s,14z,19s,20r)-9,10,12,13-tetrahydroxy-4,19-dimethyl-8,11,17-trimethylidene-20-[(2r,3s)-3-[(2s)-pentan-2-yl]oxiran-2-yl]-1-oxacycloicosa-3,5,14-trien-2-one