Showing structure for (1'r,2'r,3r,3as,4r,5'r,6r,6ar,9'r,9as,9bs,10'r,11'r)-2',6-dihydroxy-2',6,9,11'-tetramethyl-6'-methylidene-2,7'-dioxo-4,5,6a,7,9a,9b-hexahydro-3ah-8'-oxaspiro[azuleno[4,5-b]furan-3,12'-tetracyclo[9.2.2.0¹,¹⁰.0⁵,⁹]pentadecan]-14'-en-4-yl acetate