Showing structure for (1's,2r,2'r,7's,9's,11'r,12's)-11'-(acetyloxy)-1'-[(1e)-2-[(5s)-5-(acetyloxy)-2-oxo-5h-furan-3-yl]ethenyl]-12'-methyl-8'-oxo-10'-oxaspiro[oxirane-2,6'-tricyclo[7.2.1.0²,⁷]dodecan]-7'-ylmethyl acetate