Showing structure for (1s,1's,2r,6s,6's,7's,9's,10'r,11's)-7',11'-bis(acetyloxy)-2-formyl-3,3-dimethyl-2'-oxodispiro[cyclohexane-1,5'-[3]oxatricyclo[7.2.1.0¹,⁶]dodecane-10',2''-oxiran]-6-yl acetate