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