Showing structure for (1'r,2r,2's,4'r,5's,6'r,8'r,9's,11'r)-5'-[(2s,3as,5s,6ar)-5-hydroxy-hexahydrofuro[2,3-b]furan-2-yl]-2'-(acetyloxy)-9'-hydroxy-4',5'-dimethyl-12'-oxaspiro[oxirane-2,10'-tricyclo[6.2.2.0¹,⁶]dodecan]-11'-yl 2-methylpropanoate