Showing structure for (3s,3ar,4s,6s,8r,9s,9as,9bs)-6,9-dihydroxy-8-methoxy-3,6,9-trimethyl-2-oxo-3h,3ah,4h,5h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl acetate