Showing structure for (9r,12as,13s,15as,16s,18as)-16-benzyl-13,18-dihydroxy-9,14,15-trimethyl-6h,7h,8h,9h,10h,12ah,13h,15ah,16h-oxacyclotetradeca[2,3-d]isoindole-2,5-dione