Showing structure for (2's,3s,5as,5br,7ar,8s,11ar,11br,13s,13as)-2',3,5b,11a,13a-pentamethyl-1-oxo-4,5,5a,6,7,7a,9,10,11,11b,12,13-dodecahydro-3h-spiro[chryseno[1,2-c]furan-8,1'-cyclopropan]-13-yl 3-hydroxybutanoate